CN111169183B - Marketing object recognition device and method - Google Patents

Marketing object recognition device and method Download PDF

Info

Publication number
CN111169183B
CN111169183B CN202010143219.2A CN202010143219A CN111169183B CN 111169183 B CN111169183 B CN 111169183B CN 202010143219 A CN202010143219 A CN 202010143219A CN 111169183 B CN111169183 B CN 111169183B
Authority
CN
China
Prior art keywords
marking
inductor
exhibition
bottom plate
rod
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202010143219.2A
Other languages
Chinese (zh)
Other versions
CN111169183A (en
Inventor
张慧
吕华
杨琰
郭雪琴
王瑾
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiaozuo university
Original Assignee
Jiaozuo university
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiaozuo university filed Critical Jiaozuo university
Priority to CN202010143219.2A priority Critical patent/CN111169183B/en
Publication of CN111169183A publication Critical patent/CN111169183A/en
Application granted granted Critical
Publication of CN111169183B publication Critical patent/CN111169183B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J29/00Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
    • B41J29/38Drives, motors, controls or automatic cut-off devices for the entire printing mechanism
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q30/00Commerce
    • G06Q30/02Marketing; Price estimation or determination; Fundraising
    • G06Q30/0201Market modelling; Market analysis; Collecting market data

Landscapes

  • Business, Economics & Management (AREA)
  • Strategic Management (AREA)
  • Engineering & Computer Science (AREA)
  • Accounting & Taxation (AREA)
  • Development Economics (AREA)
  • Finance (AREA)
  • Entrepreneurship & Innovation (AREA)
  • Game Theory and Decision Science (AREA)
  • Data Mining & Analysis (AREA)
  • Economics (AREA)
  • Marketing (AREA)
  • Physics & Mathematics (AREA)
  • General Business, Economics & Management (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Time Recorders, Dirve Recorders, Access Control (AREA)

Abstract

The invention relates to a marketing object recognition device which comprises a main bottom plate and an auxiliary bottom plate, wherein the auxiliary bottom plate is provided with a first inductor, the main bottom plate is provided with a main exhibition stand, an auxiliary exhibition stand and an interactive stand, the main bottom plate is provided with a second inductor, the first inductor and the second inductor are jointly connected with a first timer, the auxiliary exhibition stand is provided with an exhibition window, the exhibition window is provided with a third inductor, the interactive stand is provided with a marking mechanism, the marking mechanism comprises a stand column, a vertical cylinder is arranged on the stand column and controlled by the second inductor, the lower end of the cylinder is provided with a marking seat, a plurality of vertical sliding grooves are formed in the marking seat, marking rods are arranged in the sliding grooves in a sliding mode, printing plates are arranged at the bottoms of the marking rods, cams driven by a marking motor are arranged at the tops of the marking rods, and reset springs are arranged between the marking rods and the groove walls of. The scheme is used for identifying the marketing objects, screening out the objects with marketing potential, and formulating a proper marketing method aiming at the specific objects, so that the marketing success rate is improved.

Description

Marketing object recognition device and method
Technical Field
The invention relates to a marketing object identification device and method, and belongs to the technical field of marketing.
Background
In marketing activities, customers need to be analyzed and identified, and target customers with marketing opportunities are accurately screened out, so that the marketing cost can be reduced, specific marketing methods can be formulated for specific customers, and the marketing success rate is improved. At present, identification of marketing objects completely depends on personal experience of marketing personnel, efficiency is low, and requirements on personal abilities of the marketing personnel are high.
Disclosure of Invention
In order to solve the problems, the invention provides a marketing object identification device and a marketing object identification method, and the specific scheme is as follows:
a marketing object recognition device comprises a main bottom plate and an auxiliary bottom plate, wherein the auxiliary bottom plate is provided with a first inductor, the main bottom plate is provided with a main exhibition stand, an auxiliary exhibition stand and an interactive stand, the main bottom plate is provided with a second inductor, the first inductor and the second inductor are connected with a first timer together, the auxiliary exhibition stand is provided with an exhibition window, the exhibition window is provided with a third inductor, the interactive stand is provided with a marking mechanism, the marking mechanism comprises a stand column, a vertical cylinder is arranged on the stand column and controlled by the second inductor, the lower end of the cylinder is provided with a marking seat, a plurality of vertical sliding grooves are formed in the marking seat, marking rods are arranged in the sliding grooves in a sliding mode, printing plates are arranged at the bottoms of the marking rods, the tops of the marking rods are provided with cams driven by marking motors, and reset springs are arranged between the marking rods and the groove walls of the sliding grooves; the marking rod comprises 1 first characteristic marking rod and at least 1 second characteristic marking rod, a marking motor of the first characteristic marking rod is controlled by a first timer, and a marking motor of the second characteristic marking rod is controlled by a third inductor; a questionnaire paper box is arranged below the marking mechanism, questionnaire paper is arranged in the questionnaire paper box, a paper pickup wheel is arranged at one end of the questionnaire paper box, the paper pickup wheel is driven by a paper changing motor, and the paper changing motor is controlled by a second sensor.
Furthermore, a plurality of exhibition windows of the auxiliary exhibition stand are provided, and each exhibition window is provided with an independent third inductor; the marking rods with the second characteristics are multiple, the number of the marking rods corresponds to the number of the display windows, and the marking motors of the marking rods with the second characteristics are controlled by the third pressure sensors respectively.
Further, the exhibition window is the electronic screen, and the electronic screen is equipped with pressure type switch, on pressure type switch was located to the third inductor, the third inductor was connected with the second time-recorder, and the marking motor of marking the sighting rod of second characteristic was controlled by the second time-recorder.
Furthermore, the bottom of marking the seat is equipped with the limiting plate of perpendicular to bottom surface, the lowest of limiting plate is located between the up-and-down stroke of seal board.
Further, the first sensor, the second sensor and the third sensor are all pressure sensors.
Furthermore, the marking rod further comprises a third characteristic marking rod, the second pressure sensor is connected with a third timer, and a marking motor of the third characteristic marking rod is controlled by the third timer.
Furthermore, the lateral wall department of spout articulates there is the ink board, and the articulated shaft of ink board is equipped with the torsional spring.
The invention also discloses a marketing object identification method, which uses the marketing object identification device and comprises the following steps:
1) the method comprises the steps that an auxiliary bottom plate is arranged at the position of an inlet side of an area where a main exhibition stand is located, when an object to be identified enters the auxiliary bottom plate along the inlet side, a first sensor is triggered first, a second sensor is triggered when the object enters the main bottom plate, a first timer records a time value from the triggering of the first signal sensor to the triggering of the second signal sensor, and when the time value is within a set threshold value interval, a marking motor of a first characteristic marking rod works to drive the first characteristic marking rod to move downwards;
2) when a third sensor of the display window is triggered and the time value recorded by the second timer is greater than a set threshold value, a marking motor of a second characteristic marking rod corresponding to the third sensor works to drive the corresponding second characteristic marking rod to move downwards;
3) when the trigger duration value of the second signal sensor recorded by the third timer is greater than the set threshold value, the third characteristic marking rod moves downwards;
4) when the second signal sensor loses signals, the air cylinder works to push the marking seat to move downwards to mark the questionnaire paper, the paper rolling wheel works after marking is finished, and the questionnaire paper after marking is conveyed away.
The invention has the advantages that: the scheme is used for identifying the marketing objects, screening out the objects with marketing potential, and formulating a proper marketing method aiming at the specific objects, so that the marketing success rate is improved. This scheme is used for replacing artifical marketing, and is efficient, and can realize standardized marketing work, avoids the mistake that personnel's ability difference arouses.
Drawings
FIG. 1 is a schematic view of the identification device of the present invention;
FIG. 2 is a schematic structural diagram of the display window of the present invention;
FIG. 3 is a schematic view of the marking mechanism of the present invention;
fig. 4 is a schematic structural view of the marking seat of the present invention.
Detailed Description
Example 1
As shown in fig. 1 to 4, the marketing object recognition device of the present embodiment includes a main base plate 1 and a sub base plate 2, the sub base plate 2 is provided with a first sensor, and the size of the sub base plate 2 should be larger than the stepping size of an adult. The main base plate is provided with a main exhibition stand 3, an auxiliary exhibition stand 4 and an interactive stand 5, wherein the main exhibition stand 3 is used for exhibiting large-size product models or adopting large-size electronic screens to exhibit products. The main bottom plate 1 is provided with a second sensor, the first sensor and the second sensor are connected with a first timer, the auxiliary exhibition stand 4 is provided with an exhibition window 6, and the exhibition window is used for exhibiting detailed product parameters or other information related to product introduction. The exhibition window is equipped with the third inductor, and mutual platform is equipped with marking mechanism, and marking mechanism includes stand 7, is equipped with vertical cylinder 8 on the stand, and the cylinder is controlled by the second inductor, and the lower extreme of cylinder is equipped with beats mark seat 9, beats and is equipped with a plurality of vertical spouts in the mark seat, slides in the spout and is provided with and beats sighting rod 10, and the bottom of beating sighting rod is equipped with printing plate 11, and the mark on the printing plate is used for the information that the sign needs each inductor record. The top of the marking rod is provided with a cam 12 driven by a marking motor, a return spring 13 is arranged between the marking rod and the groove wall of the chute, and the cam drives the marking rod to move vertically when rotating; the marking rod comprises 1 first characteristic marking rod and at least 1 second characteristic marking rod, a marking motor of the first characteristic marking rod is controlled by a first timer, and a marking motor of the second characteristic marking rod is controlled by a third inductor; a questionnaire paper box 14 is arranged below the marking mechanism, questionnaire paper is arranged in the questionnaire paper box, the questionnaire paper is at least provided with a title column and a contact way column, and the exhibitor can leave names and contact ways. One end of the questionnaire paper box is provided with a paper pickup wheel 15, the paper pickup wheel is driven by a paper changing motor, the paper changing motor is controlled by a second sensor, and the paper changing principle of the questionnaire paper box specifically refers to the paper changing principle of a copying machine in the prior art. When a certain marking rod moves down to the right position, the air cylinder moves down to drive the marking seat to mark the paper to be checked, and corresponding marks can be left.
As shown in fig. 2, there are a plurality of exhibition windows 6 of the secondary exhibition stand, and the plurality of exhibition windows can display detailed information of the product in a classified manner, such as quotation, functional characteristics, structural composition, etc. of the product, and the display is performed in each exhibition window. Each exhibition window is provided with an independent third inductor; the marking rods with the second characteristics are multiple, the number of the marking rods corresponds to the number of the display windows, and the marking motors of the marking rods with the second characteristics are controlled by the third pressure sensors respectively. The exhibition window is the electronic screen, and the electronic screen is equipped with pressure type switch 16, and the third inductor is located pressure type switch, and the third inductor is connected with the second time-recorder, and the marking motor of second characteristic marking pole is controlled by the second time-recorder. When the contents displayed by the display window need to be read, the pressure type power switch is continuously pressed by hand, the electronic screen is started, and the displayed contents can be played in a video mode. And when the electronic screen plays the anti-video content, the second timer records the playing duration information of the electronic screen.
The bottom of marking the seat is equipped with the limiting plate 18 of perpendicular to bottom surface, and the lowest of limiting plate 18 is located between the up-and-down stroke of seal board. When marking, the height of the marking rod which does not move down is positioned above the limiting plate, so that a mark cannot be left on the questionnaire paper, and only the marking rod which moves down below the limiting plate marks the mark on the questionnaire paper.
The first inductor, the second inductor and the third inductor in the scheme are pressure inductors for use. When each sensor senses a pressure change, a signal is sent.
The marking pole further comprises a third characteristic marking pole, the second pressure sensor is connected with a third timer, and a marking motor of the third characteristic marking pole is controlled by the third timer. The third timer is used for recording the signal duration of the second pressure sensor. And when the second pressure sensor lasts for a certain time, namely the duration of reading the display window by the exhibition personnel, the timer controls the marking motor to work.
As shown in fig. 4, an ink plate 17 is hinged to the side wall of the sliding groove, a torsion spring is arranged on a hinge shaft of the ink plate 17, when the marking rod is reset to the position above the sliding groove, the ink plate rebounds, and a printing plate of the marking rod is covered by the ink plate to paint ink on the printing plate. When the marking rod moves downwards, the ink plate bounces to the side of the sliding groove.
Example 2
Based on the acquisition device of embodiment 1, the present embodiment provides a marketing object identification method, including the following steps:
1) the sub-base is disposed at an entrance side position of an area where the main exhibition stand is located, which should be able to view the position of the main exhibition stand. When an object to be identified enters the auxiliary bottom plate along the inlet side, the first sensor is triggered first, the second sensor is triggered again when the object enters the main bottom plate, the first timer records the time value from the triggering of the first signal sensor to the triggering of the second signal sensor, and when the time value is within a set threshold range, the marking motor of the first characteristic marking rod works to drive the first characteristic marking rod to move downwards. The threshold interval is set based on the time required for the adult to walk directly from the sub-floor to the main floor at the average walking speed. That is, the recording object of the first character marker post is taken from the exhibition area entrance position directly to the product main stand position for distinguishing the customers who are attracted to the initial impression of the product.
2) When the third inductor of the display window is triggered and the time value recorded by the second timer is greater than the set threshold value, the marking motor of the second characteristic marking rod corresponding to the third inductor works to drive the corresponding second characteristic marking rod to move downwards. The marking rod with the second characteristic can be used for recording the attention degree of the corresponding display window and distinguishing the attention direction of the identification object to the product, such as the quotation, the function or the structural composition of the product.
3) And when the duration value of the trigger of the second signal sensor recorded by the third timer is greater than the set threshold value, the third characteristic marking rod moves downwards. The third characteristic marking rod can be used for recording the stay time of the identification object on the main bottom plate, and can distinguish customers deeply knowing detailed materials of products.
4) After the recognition object leaves the main bottom plate, the second signal sensor loses signals, the cylinder is controlled to work, the marking seat is pushed to move downwards, the questionnaire paper is marked, after marking is completed, the paper changing motor is controlled to work, the paper rolling wheel works, and the questionnaire paper with marking completed is conveyed to a preset position to be stored.

Claims (5)

1. A marketing object recognition device characterized by: the automatic marking device comprises a main bottom plate and an auxiliary bottom plate, wherein the auxiliary bottom plate is provided with a first inductor, the main bottom plate is provided with a main exhibition stand, an auxiliary exhibition stand and an interactive stand, the main bottom plate is provided with a second inductor, the first inductor and the second inductor are connected with a first timer, the auxiliary exhibition stand is provided with an exhibition window, the exhibition window is provided with a third inductor, the interactive stand is provided with a marking mechanism, the marking mechanism comprises a stand column, a vertical cylinder is arranged on the stand column, the cylinder is controlled by the second inductor, the lower end of the cylinder is provided with a marking seat, a plurality of vertical sliding grooves are formed in the marking seat, a marking rod is arranged in the sliding grooves in a sliding mode, the bottom of the marking rod is provided with a printing plate, the top of the marking rod is provided with a cam driven by a marking motor, and a reset spring is; the marking rod comprises 1 first characteristic marking rod and at least 1 second characteristic marking rod, a marking motor of the first characteristic marking rod is controlled by a first timer, and a marking motor of the second characteristic marking rod is controlled by a third inductor; a questionnaire paper box is arranged below the marking mechanism, questionnaire paper is arranged in the questionnaire paper box, one end of the questionnaire paper box is provided with a paper rolling wheel, the paper rolling wheel is driven by a paper changing motor, and the paper changing motor is controlled by a second sensor;
the exhibition window is an electronic screen, the electronic screen is provided with a pressure type power switch, the third sensor is arranged on the pressure type power switch and is connected with a second timer, and a marking motor of the second characteristic marking rod is controlled by the second timer;
the marking rod further comprises a third characteristic marking rod, the second sensor is connected with a third timer, and a marking motor of the third characteristic marking rod is controlled by the third timer;
the working method of the marketing object recognition device comprises the following steps:
1) the method comprises the steps that an auxiliary bottom plate is arranged at the position of an inlet side of an area where a main exhibition stand is located, when an object to be identified enters the auxiliary bottom plate along the inlet side, a first inductor is triggered first, a second inductor is triggered when the object enters the main bottom plate, a first timer records the time value between the triggering of the first inductor and the triggering of the second inductor, and when the time value is within a set threshold value range, a marking motor of a first characteristic marking rod works to drive the first characteristic marking rod to move downwards;
2) when a third sensor of the display window is triggered and the time value recorded by the second timer is greater than a set threshold value, a marking motor of a second characteristic marking rod corresponding to the third sensor works to drive the corresponding second characteristic marking rod to move downwards;
3) when the duration value of the triggering of the second sensor recorded by the third timer is greater than the set threshold value, the third characteristic marking rod moves downwards;
4) when the second sensor loses signals, the air cylinder works to push the marking seat to move downwards to mark the questionnaire paper, the paper rolling wheel works after marking is finished, and the questionnaire paper after marking is conveyed away.
2. The marketing object recognition device of claim 1, wherein: a plurality of exhibition windows of the auxiliary exhibition platform are provided, and each exhibition window is provided with an independent third inductor; the marking rods with the second characteristics are multiple, the number of the marking rods corresponds to the number of the display windows, and the marking motors of the marking rods with the second characteristics are controlled by the third sensors respectively.
3. The marketing object recognition device of claim 2, wherein: the bottom of marking the seat is equipped with the limiting plate of perpendicular to bottom surface, the lowest of limiting plate is located between the up-and-down stroke of seal board.
4. The marketing object recognition device of claim 2, wherein: the first sensor, the second sensor and the third sensor are all pressure sensors.
5. The marketing object recognition device of claim 2, wherein: the lateral wall department of spout articulates there is the ink board, and the articulated shaft of ink board is equipped with the torsional spring.
CN202010143219.2A 2020-03-04 2020-03-04 Marketing object recognition device and method Active CN111169183B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010143219.2A CN111169183B (en) 2020-03-04 2020-03-04 Marketing object recognition device and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010143219.2A CN111169183B (en) 2020-03-04 2020-03-04 Marketing object recognition device and method

Publications (2)

Publication Number Publication Date
CN111169183A CN111169183A (en) 2020-05-19
CN111169183B true CN111169183B (en) 2021-07-23

Family

ID=70655170

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010143219.2A Active CN111169183B (en) 2020-03-04 2020-03-04 Marketing object recognition device and method

Country Status (1)

Country Link
CN (1) CN111169183B (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH115355A (en) * 1997-06-18 1999-01-12 Dainippon Printing Co Ltd Stamping unit for paper discrimination
JP2012079140A (en) * 2010-10-04 2012-04-19 Bunpei Magoori System for counting number of persons in building section
CN102855705A (en) * 2012-09-17 2013-01-02 北京中科金财科技股份有限公司 Self-service bill acceptance device with seal stamping function and self-service bill acceptance method
CN206124483U (en) * 2016-10-31 2017-04-26 长安大学 Portable manual -automatic system of stamping
CN206451458U (en) * 2017-01-24 2017-08-29 南京景曜智能科技有限公司 A kind of intelligent exhibition booth detected based on target identification and interest commodity
CN107862557A (en) * 2017-12-05 2018-03-30 英业达科技有限公司 Customer's dynamic tracing system and method
CN109080273A (en) * 2018-10-25 2018-12-25 河南科技学院 A kind of this formula of ticket bill automatic page turning seal-affixing machine
CN109272392A (en) * 2018-11-08 2019-01-25 黑天鹅智能科技(福建)有限公司 A kind of control system, device and control method that auxiliary shoes are independently chosen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9943262B2 (en) * 2015-10-26 2018-04-17 Sk Planet Co., Ltd. System and method for providing walking path guidance service based on measurement of motion of user
JP2017228091A (en) * 2016-06-22 2017-12-28 日本電信電話株式会社 Walking state learning method, walking state estimation method, road surface condition comprehension method, device and program
CN109829523A (en) * 2018-12-27 2019-05-31 广州师盛展览有限公司 A kind of Tradeshows method for pushing based on the induction of high frequency Rfid technological trajectory
CN209832915U (en) * 2019-04-16 2019-12-24 赣南医学院 Questionnaire survey device for health management

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH115355A (en) * 1997-06-18 1999-01-12 Dainippon Printing Co Ltd Stamping unit for paper discrimination
JP2012079140A (en) * 2010-10-04 2012-04-19 Bunpei Magoori System for counting number of persons in building section
CN102855705A (en) * 2012-09-17 2013-01-02 北京中科金财科技股份有限公司 Self-service bill acceptance device with seal stamping function and self-service bill acceptance method
CN206124483U (en) * 2016-10-31 2017-04-26 长安大学 Portable manual -automatic system of stamping
CN206451458U (en) * 2017-01-24 2017-08-29 南京景曜智能科技有限公司 A kind of intelligent exhibition booth detected based on target identification and interest commodity
CN107862557A (en) * 2017-12-05 2018-03-30 英业达科技有限公司 Customer's dynamic tracing system and method
CN109080273A (en) * 2018-10-25 2018-12-25 河南科技学院 A kind of this formula of ticket bill automatic page turning seal-affixing machine
CN109272392A (en) * 2018-11-08 2019-01-25 黑天鹅智能科技(福建)有限公司 A kind of control system, device and control method that auxiliary shoes are independently chosen

Also Published As

Publication number Publication date
CN111169183A (en) 2020-05-19

Similar Documents

Publication Publication Date Title
CN1293790A (en) Identifying golf ball device
US6142370A (en) Card transport mechanism and method of operation
DE60223363T2 (en) IDENTIFICATION DEVICE
CN111169183B (en) Marketing object recognition device and method
EP3621706B1 (en) Darts game machine
EP1194888A1 (en) Inspection of playing cards
CN101052445A (en) Gift acquisition game device
AU2895100A (en) Inspection of playing cards
EP1449064B1 (en) System and method for detecting and rewarding the return of a supermarket trolley or a luggage trolley taken from a trolley park
CN107886371A (en) Advertisement sending method and device based on elevator scene
CN101612826A (en) A kind of printing process that is used for the high printing precision plastic barrel
CN111803908A (en) Full-automatic billiard machine
CN208126535U (en) Single cigarette vending machine
EP2702384B1 (en) Punching device with receiving plate
CN209613573U (en) A kind of intelligent book storage restocking system
KR20030021848A (en) A stamp
CN207871442U (en) A kind of soccer goal-shooting training system
CN219233179U (en) Electric writing sorting integrated machine
EP2267419A2 (en) Scale
CN219225694U (en) Real device of instructing of modularization intelligence letter sorting teaching
CN217467765U (en) Image recognition wisdom dining-table
KR200258301Y1 (en) A stamp
US20030042299A1 (en) Data form for optical mark reading systems
CN215125927U (en) Personnel file classification device
CN113903193B (en) Multifunctional training device for marketing planning

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant