CN111831237A - Bill additional printing method and system - Google Patents
Bill additional printing method and system Download PDFInfo
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- CN111831237A CN111831237A CN202010691024.1A CN202010691024A CN111831237A CN 111831237 A CN111831237 A CN 111831237A CN 202010691024 A CN202010691024 A CN 202010691024A CN 111831237 A CN111831237 A CN 111831237A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/12—Digital output to print unit, e.g. line printer, chain printer
- G06F3/1201—Dedicated interfaces to print systems
- G06F3/1202—Dedicated interfaces to print systems specifically adapted to achieve a particular effect
- G06F3/1203—Improving or facilitating administration, e.g. print management
- G06F3/1204—Improving or facilitating administration, e.g. print management resulting in reduced user or operator actions, e.g. presetting, automatic actions, using hardware token storing data
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/12—Digital output to print unit, e.g. line printer, chain printer
- G06F3/1201—Dedicated interfaces to print systems
- G06F3/1223—Dedicated interfaces to print systems specifically adapted to use a particular technique
- G06F3/1237—Print job management
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
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- G06F3/12—Digital output to print unit, e.g. line printer, chain printer
- G06F3/1201—Dedicated interfaces to print systems
- G06F3/1278—Dedicated interfaces to print systems specifically adapted to adopt a particular infrastructure
- G06F3/128—Direct printing, e.g. sending document file, using memory stick, printing from a camera
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
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Abstract
The invention provides a bill additional printing method, which comprises the following steps: the method comprises the following steps that a working thread of the printing equipment monitors bill data issued by an upper computer, wherein the bill data is image data; when the printing equipment monitors first bill data issued by an upper computer, a first printing task is created; processing first bill data by a first temporary thread of the printing device; when the printing equipment monitors that the processing of the first temporary thread is completed, a second temporary thread is created, and the first bill data is transmitted to the first cloud server; the first cloud server transmits the first bill data to the OCR cloud server; the OCR cloud server processes the bill data to form additional printing judgment information and transmits the additional printing judgment information to the first cloud server; the first cloud server analyzes and judges the additional printing judgment information according to the judgment logic; when it is determined that additional printing information is generated, the first cloud server transmits additional printing data to the printing device; the printing device creates a third temporary thread to print the information to be additionally printed.
Description
Technical Field
The invention mainly relates to the technical field of information, in particular to a method and a system for additionally printing bills.
Background
At present, in a common commercial printing mode, a mobile phone or an upper computer is adopted to receive a bill and then the bill is sent to a printing upper computer through a USB or a Bluetooth channel to print a fixed format bill issued by the upper computer, but when a user (such as a merchant) wants to dynamically and additionally print some promotional contents aiming at a specific bill, a printing template needs to be readjusted, even the whole bill needs to be printed again, and the repeated operation process consumes more time and reduces the bill printing efficiency.
Disclosure of Invention
The invention aims to provide a bill additional printing method, which realizes quick and convenient bill additional printing.
In order to solve the technical problem, the invention provides a bill additional printing method, which comprises the following steps: monitoring bill data issued by an upper computer by a working thread of the printing equipment, wherein the bill data is image data; when the printing equipment monitors first bill data issued by an upper computer, a first printing task is established for the first bill data; the printing device creates a first temporary thread for the first printing task to process the first bill data; when the working thread of the printing equipment monitors that the first temporary thread is processed, the printing equipment creates a second temporary thread, and the first bill data is transmitted to a first cloud server through the upper computer; the first cloud server transmits the first ticket data to an OCR cloud server; the OCR cloud server processes the first bill data to form additional printing judgment information, and transmits the additional printing judgment information to the first cloud server; the first cloud server analyzes and judges the additional printing judgment information according to preset judgment logic, and determines whether additional printing information is generated or not; when it is determined that additional print information is generated, the first cloud server transmits additional print data to the printing apparatus; and the printing equipment creates a third temporary thread to print the bill information needing to be additionally printed.
In an embodiment of the present invention, the forming, by the OCR cloud server, the additional printing determination information after processing the data includes: and the OCR cloud server performs electronic imaging on the received data, performs optical character recognition on an electronic picture formed after imaging, and retrieves to obtain additional printing judgment information on the electronic picture.
In an embodiment of the invention, the first cloud server performs request authentication on the first ticket data before transmitting the first ticket data to the OCR cloud server.
In one embodiment of the invention, the printing device is provided with a dynamic buffer area; after the additional printing processing of the first printing task is completed, starting to process a second printing task of the buffer area; the first print job storage space of the buffer is freed.
In an embodiment of the present invention, the first cloud server sends the additional print data to the printing device via MQTT protocol.
In an embodiment of the present invention, the first ticket data is transmitted to the first cloud server by a hypertext transfer protocol.
In one embodiment of the invention, when the data is transmitted by the hypertext transfer protocol mode, the data is encoded according to the Base64 format and encrypted according to the Sodium standard.
The invention also provides a bill appending printing system, comprising:
a printing apparatus and an upper computer configured to: the printing equipment monitors bill data issued by an upper computer through a working thread, wherein the bill data is image data; when the printing equipment monitors first bill data issued by an upper computer, a first printing task is established for the first bill data; the printing device creates a first temporary thread for the first printing task to process the first bill data;
when the working thread of the printing equipment monitors that the first temporary thread is processed, the printing equipment creates a second temporary thread, and the first bill data is transmitted to a first cloud server through the upper computer;
a first cloud server and an OCR server configured to: the first cloud server transmits the first ticket data to an OCR cloud server; the OCR cloud server processes the first bill data to form additional printing judgment information, and transmits the additional printing judgment information to the first cloud server; the first cloud server analyzes and judges the additional printing judgment information according to preset judgment logic, and determines whether additional printing information is generated or not; when it is determined that additional print information is generated, the first cloud server transmits additional print data to the printing apparatus; the printing device is also configured to create a third temporary thread to print the ticket information to be additionally printed.
Compared with the prior art, the invention has the following advantages: and performing key information identification through the printed bill content, and dynamically additionally printing the required content on the bill which meets the requirement according to the preset key information characteristics, thereby realizing the rapid and efficient additional printing on the bill.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principle of the invention. In the drawings:
fig. 1 is a flowchart of a ticket additional printing method according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of the ticket effect of the additional printing according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of an implementation environment of a ticket addition printing system according to an embodiment of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments disclosed below.
As used herein, the terms "a," "an," "the," and/or "the" are not intended to be inclusive and include the plural unless the context clearly dictates otherwise. In general, the terms "comprises" and "comprising" merely indicate that steps and elements are included which are explicitly identified, that the steps and elements do not form an exclusive list, and that a method or apparatus may include other steps or elements.
Flow charts are used herein to illustrate operations performed by systems according to embodiments of the present application. It should be understood that the preceding or following operations are not necessarily performed in the exact order in which they are performed. Rather, various steps may be processed in reverse order or simultaneously. Meanwhile, other operations are added to or removed from these processes.
Embodiments of the present application describe ticket append printing methods and systems. Fig. 1 is a flowchart of a ticket additional printing method according to an embodiment of the present invention. As shown in fig. 1, in an embodiment, the method for additionally printing a bill of the present invention includes a step 101, where a worker thread of a printing device monitors bill data issued by an upper computer, where the bill data is image data. Step 102, when the printing equipment monitors first bill data issued by the upper computer, a first printing task is established for the first bill data. In step 103, the printing device creates a first temporary thread for the first print job to process the first ticket data. And step 104, when the working thread of the printing equipment monitors that the processing of the first temporary thread is finished, the printing equipment creates a second temporary thread, and transmits the first bill data to the first cloud server through the upper computer. Step 105, the first cloud server transmits the first bill data to the OCR cloud server. And 106, processing the first bill data by the OCR cloud server to form additional printing judgment information, and transmitting the additional printing judgment information to the first cloud server. Step 107, the first cloud server analyzes and judges the additional printing judgment information according to a preset judgment logic, and determines whether additional printing information is generated or not; when it is determined that the additional print determination information is generated, the first cloud server transmits the additional print data to the printing apparatus. And step 108, the printing device creates a third temporary thread to print the bill information needing to be additionally printed.
In step 101, a working thread of the printing device monitors bill data issued by an upper computer, and the bill data is image data. The printing equipment is connected with the upper computer through a USB or Bluetooth mode after being electrified, and the printing equipment and the upper computer are connected with the first cloud server through a network. The upper computer can be a desktop computer, and also can be mobile equipment or handheld special equipment. The bill data is transmitted in the form of image data, so that the confidentiality of the initial bill data of the user can be enhanced, and the safety of user information is improved.
In step 102, when the printing device monitors first bill data issued by the upper computer, a first printing task is created for the first bill data. When the working thread of the printing equipment monitors bill data issued by an upper computer, a dynamic buffer area is arranged in the internal storage area of the printing equipment. And when the printing equipment monitors the first bill data issued by the upper computer, creating a first printing task for the first bill data in the dynamic buffer area. The dynamic buffer may cache several print jobs.
At step 103, the printing device creates a first temporary thread (thread) for the first print job to process the first ticket data.
In step 104, when the working thread of the printing device monitors that the processing of the first temporary thread is completed, the printing device creates a second temporary thread, and transmits the first bill data to the first cloud server through the upper computer. Specifically, when the working thread of the printing device monitors that the first temporary thread prints the first bill data, a second temporary thread is created, and the first bill data is transmitted to the first cloud server through the upper computer. In one embodiment, the first ticket data is transmitted to the first cloud server by means of hypertext transfer protocol. When the data is transmitted in the mode of the hypertext transfer protocol, the data is encoded according to the Base64 format and encrypted according to the Sodium standard. Base64 format encoding is a representation method for representing binary data based on 64 printable characters. The Sodium is a software library which is easy to use and can provide functions of encryption, decryption, signature, password hash and the like.
In some embodiments, if the working thread of the printing device monitors that the first temporary thread fails to print the first bill data, a request can be sent to the upper computer, and the bill data can be sent again for processing.
At step 105, the first cloud server transmits the first ticket data to the OCR cloud server. In some embodiments, the first cloud server may transmit the first ticket data to the OCR cloud server by using a hypertext transfer protocol.
In step 106, the OCR cloud server processes the first ticket data to form additional printing judgment information, and transmits the additional printing judgment information to the first cloud server. Specifically, the OCR cloud server performs electronic imaging on the received first bill data, performs optical character recognition on an electronic picture formed after imaging, and retrieves to obtain additional printing judgment information on the electronic picture. The additional print determination information is, for example, the amount of money consumed on the electronic ticket picture. Optical Character Recognition (OCR) is a process of determining the shape of a Character to be printed by detecting dark and light patterns, and then converting the shape into computer text and symbol data using a Character Recognition method.
In step 107, the first cloud server analyzes and judges the additional printing judgment information according to a preset judgment logic, and determines whether additional printing information is generated; when it is determined that additional print information is generated, the first cloud server transmits additional print data to the printing apparatus. In one embodiment, for example, the additional printing judgment information obtained in the previous step is a consumption amount, and the predetermined judgment logic is that a discount coupon of a specific product is given when the consumption amount is larger than or equal to a certain amount. When the consumption amount reaches the amount standard, the additionally printed bill data information "X-fold of specified commodity" is generated. When it is determined that this additional print determination information is generated, the first cloud server transmits additional print data to the printing apparatus. When it is determined that additional print information is not generated, the current ticket printing process ends.
In some embodiments, the first cloud server sends the additional print data to the printing device via MQTT protocol. MQTT (Message Queuing Telemetry Transport) protocol is a client-server based Message publish/subscribe (publish/subscribe) Transport protocol.
In step 108, the printing device creates a third temporary thread to print the ticket information to be additionally printed. And after printing is finished, the current bill printing process is finished. After the additional printing processing of the first printing task is completed, starting to process a second printing task of the dynamic buffer area; the first print job storage space of the dynamic buffer is freed.
Fig. 2 is a schematic diagram of the ticket effect of the additional printing according to an embodiment of the present invention. When there is a ticket additional print job, the entire ticket 200 is, for example, shown as an area 202, in which the print area of the first ticket data is 201a and the additional print ticket information is located in the area 202 a. When no ticket addition print job is generated, the entire ticket 200 is, for example, shown as an area 201.
According to the bill additional printing method, the key information is identified through the bill content printed through the USB or Bluetooth channel, the required content is dynamically additionally printed on the bill meeting the requirements according to the preset key information characteristics, and the bill is rapidly and conveniently additionally printed.
The application further provides a bill appending printing system which comprises a printing device, an upper computer, a first cloud server and an OCR server.
The printing equipment and the upper computer are configured to monitor bill data issued by the upper computer through a working thread. The bill data is image data. When the printing equipment monitors first bill data issued by the upper computer, a first printing task is established for the first bill data. The printing device then creates a first temporary thread for the first print job to process the first ticket data.
When the working thread of the printing equipment monitors that the processing of the first temporary thread is completed, the printing equipment creates a second temporary thread, and transmits the first bill data to the first cloud server through the upper computer. . In one embodiment, the first ticket data is transmitted to the first cloud server by means of hypertext transfer protocol. When the data is transmitted in the mode of the hypertext transfer protocol, the data is encoded according to the Base64 format and encrypted according to the Sodium standard. Base64 format encoding is a representation method for representing binary data based on 64 printable characters. The Sodium is a software library which is easy to use and can provide functions of encryption, decryption, signature, password hash and the like.
In some embodiments, if the working thread of the printing device monitors that the first temporary thread fails to print the first bill data, a request can be sent to the upper computer, and the bill data can be sent again for processing.
The first cloud server transmits the first bill data to the OCR cloud server. And the OCR cloud server processes the first bill data to form additional printing judgment information and transmits the additional printing judgment information to the first cloud server. The additional print determination information is, for example, the amount of money consumed on the electronic ticket picture. In some embodiments, the first cloud server may transmit the first ticket data to the OCR cloud server by using a hypertext transfer protocol.
The first cloud server analyzes and judges the additional printing judgment information according to preset judgment logic, and determines whether additional printing information is generated or not. When it is determined that additional print information is generated, the first cloud server transmits additional print data to the printing apparatus. In one embodiment, for example, the additional printing judgment information obtained in the previous step is a consumption amount, and the predetermined judgment logic is that a discount coupon of a specific product is given when the consumption amount is larger than or equal to a certain amount. When the consumption amount reaches the amount standard, the additionally printed bill data information "X-fold of specified commodity" is generated. When it is determined that this additional print determination information is generated, the first cloud server transmits additional print data to the printing apparatus. When it is determined that additional print information is not generated, the current ticket printing process ends.
In some embodiments, the first cloud server sends the additional print data to the printing device via MQTT protocol. MQTT (Message Queuing Telemetry Transport) protocol is a client-server based Message publish/subscribe (publish/subscribe) Transport protocol.
The printing device is also configured to create a third temporary thread to print the ticket information to be additionally printed. And after printing is finished, the current bill printing process is finished. After the additional printing processing of the first printing task is completed, starting to process a second printing task of the dynamic buffer area; the first print job storage space of the dynamic buffer is freed.
Fig. 3 is a schematic diagram of an implementation environment of a ticket addition printing system according to an embodiment of the present invention. The ticket addition printing system 300 includes an internal communication bus 301, a printing device 302, an upper computer 304, and a communication port 305, and the system 300 is connected to a network and a server through the communication port. In fig. 3, the communication port 305 may be connected to the first cloud server 306, the server data storage a 307, the OCR server 308, and the server storage B309 on the server side through a network to implement transmission and processing of the ticket data.
The ticket append printing system 300 can also include a processor and various forms of program storage units and data storage units, such as Read Only Memory (ROM) and Random Access Memory (RAM), capable of storing various data files used for computer processing and/or communications, as well as possible program instructions executed by the processor. The processor executes these instructions to implement the main parts of the method. The result processed by the processor is transmitted to a user interface of the upper computer through the communication port to be displayed.
Compared with the method and the system for additionally printing the bills, which are characterized in that image data corresponding to the first bill data are transmitted to a server side through an upper computer for data identification and judgment, whether contents needing to be additionally printed exist is determined, and then the data are transmitted back to the upper computer and printing equipment for printing.
This application uses specific words to describe embodiments of the application. Reference throughout this specification to "one embodiment," "an embodiment," and/or "some embodiments" means that a particular feature, structure, or characteristic described in connection with at least one embodiment of the present application is included in at least one embodiment of the present application. Therefore, it is emphasized and should be appreciated that two or more references to "an embodiment" or "one embodiment" or "an alternative embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, some features, structures, or characteristics of one or more embodiments of the present application may be combined as appropriate.
Aspects of the present application may be embodied entirely in hardware, entirely in software (including firmware, resident software, micro-code, etc.) or in a combination of hardware and software. The above hardware or software may be referred to as "data block," module, "" engine, "" unit, "" component, "or" system. The processor may be one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), digital signal processing devices (DAPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), processors, controllers, microcontrollers, microprocessors, or a combination thereof. Furthermore, aspects of the present application may be represented as a computer product, including computer readable program code, embodied in one or more computer readable media. For example, computer-readable media may include, but are not limited to, magnetic storage devices (e.g., hard disk, floppy disk, magnetic strips … …), optical disks (e.g., Compact Disk (CD), Digital Versatile Disk (DVD) … …), smart cards, and flash memory devices (e.g., card, stick, key drive … …).
The computer readable medium may comprise a propagated data signal with the computer program code embodied therein, for example, on a baseband or as part of a carrier wave. The propagated signal may take any of a variety of forms, including electromagnetic, optical, and the like, or any suitable combination. The computer readable medium can be any computer readable medium that can communicate, propagate, or transport the program for use by or in connection with an instruction execution system, apparatus, or device. Program code on a computer readable medium may be propagated over any suitable medium, including radio, electrical cable, fiber optic cable, radio frequency signals, or the like, or any combination of the preceding.
Although the present application has been described with reference to the present specific embodiments, it will be recognized by those skilled in the art that the foregoing embodiments are merely illustrative of the present application and that various changes and substitutions of equivalents may be made without departing from the spirit of the application, and therefore, it is intended that all changes and modifications to the above-described embodiments that come within the spirit of the application fall within the scope of the claims of the application.
Claims (14)
1. A bill additional printing method comprises the following steps:
monitoring bill data issued by an upper computer by a working thread of the printing equipment, wherein the bill data is image data;
when the printing equipment monitors first bill data issued by an upper computer, a first printing task is established for the first bill data;
the printing device creates a first temporary thread for the first printing task to process the first bill data;
when the working thread of the printing equipment monitors that the first temporary thread is processed, the printing equipment creates a second temporary thread, and the first bill data is transmitted to a first cloud server through the upper computer;
the first cloud server transmits the first ticket data to an OCR cloud server;
the OCR cloud server processes the first bill data to form additional printing judgment information, and transmits the additional printing judgment information to the first cloud server;
the first cloud server analyzes and judges the additional printing judgment information according to preset judgment logic, and determines whether additional printing information is generated or not; when it is determined that additional print information is generated, the first cloud server transmits additional print data to the printing apparatus;
and the printing equipment creates a third temporary thread to print the bill information needing to be additionally printed.
2. The ticket incremental printing method of claim 1, wherein the OCR cloud server processing the data to form the incremental printing determination information includes: and the OCR cloud server performs electronic imaging on the received data, performs optical character recognition on an electronic picture formed after imaging, and retrieves to obtain additional printing judgment information on the electronic picture.
3. The ticket append printing method of claim 1, wherein the first cloud server requests authentication of the first ticket data before transmitting the data to an OCR cloud server.
4. The ticket overprinting method according to claim 1, wherein the printing apparatus is provided with a dynamic buffer; after the additional printing processing of the first printing task is completed, starting to process a second printing task of the buffer area; the first print job storage space of the buffer is freed.
5. The ticket reprinting method according to claim 1, wherein the first cloud server transmits the reprinting data to the printing device by using MQTT protocol.
6. The ticket appending printing method according to claim 1, wherein transmitting the first ticket data to the first cloud server is performed by means of hypertext transfer protocol.
7. The ticket overprinting method according to claim 6, wherein the data is encoded according to the Base64 format and encrypted according to Sodium standard when the data is transmitted by the hypertext transfer protocol.
8. A ticket-appending printing system comprising:
a printing apparatus and an upper computer configured to:
the printing equipment monitors bill data issued by an upper computer through a working thread, wherein the bill data is image data; when the printing equipment monitors first bill data issued by an upper computer, a first printing task is established for the first bill data; the printing device creates a first temporary thread for the first printing task to process the first bill data;
when the working thread of the printing equipment monitors that the first temporary thread is processed, the printing equipment creates a second temporary thread, and the first bill data is transmitted to a first cloud server through the upper computer;
a first cloud server and an OCR server configured to:
the first cloud server transmits the first ticket data to an OCR cloud server; the OCR cloud server processes the first bill data to form additional printing judgment information, and transmits the additional printing judgment information to the first cloud server;
the first cloud server analyzes and judges the additional printing judgment information according to preset judgment logic, and determines whether additional printing information is generated or not; when it is determined that additional print information is generated, the first cloud server transmits additional print data to the printing apparatus;
the printing device is also configured to create a third temporary thread to print the ticket information to be additionally printed.
9. The ticket append printing system of claim 8, wherein the OCR cloud server processing the data to form the append printing determination information comprises: and the OCR cloud server performs electronic imaging on the received data, performs optical character recognition on an electronic picture formed after imaging, and retrieves to obtain additional printing judgment information on the electronic picture.
10. The ticket append printing system of claim 8, wherein the first cloud server requests authentication of the first ticket data before transmitting the data to an OCR cloud server.
11. The ticket imprinter system of claim 8, wherein the printing device is provided with a dynamic buffer; after the additional printing processing of the first printing task is completed, starting to process a second printing task of the buffer area; the first print job storage space of the buffer is freed.
12. The ticket affixing printing system of claim 8 wherein said first cloud server transmits said affixing print data to said printing device via MQTT protocol.
13. The ticket append printing system of claim 8, wherein transmitting the first ticket data to the first cloud server is via hypertext transfer protocol.
14. The ticket imprinter system of claim 13, wherein data is encoded according to the Base64 format and encrypted according to the Sodium standard when transmitted via said hypertext transfer protocol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010691024.1A CN111831237A (en) | 2020-07-17 | 2020-07-17 | Bill additional printing method and system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010691024.1A CN111831237A (en) | 2020-07-17 | 2020-07-17 | Bill additional printing method and system |
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| CN111831237A true CN111831237A (en) | 2020-10-27 |
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| CN202010691024.1A Pending CN111831237A (en) | 2020-07-17 | 2020-07-17 | Bill additional printing method and system |
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2020
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