CN110210861A - Data trade method and its equipment on block chain - Google Patents
Data trade method and its equipment on block chain Download PDFInfo
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- CN110210861A CN110210861A CN201910499666.9A CN201910499666A CN110210861A CN 110210861 A CN110210861 A CN 110210861A CN 201910499666 A CN201910499666 A CN 201910499666A CN 110210861 A CN110210861 A CN 110210861A
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- G06Q—INFORMATION 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
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
- G06Q20/3829—Payment protocols; Details thereof insuring higher security of transaction involving key management
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Abstract
This application discloses the data trade methods and its equipment on block chain, which comprises block chain node receives the data cochain request that the first client is sent；Receive the data purchase request of the second client transmission；Triggering verifies intelligent contract, and the intelligent contract of the verification verifies the corresponding remaining sum of second client address, after verification passes through, freezes the data purchasing price；Transaction request is sent to service server, the transaction request includes the data of service server public key encryption, in order to which the service server is decrypted with data of the own private key to the service server public key encryption, and the data are encrypted with second client public key；Receive the transaction response that the service server is sent；Triggering is traded intelligent contract, and the intelligent contract of trading executes the transfer operation of the purchasing price, and by the encrypted data cochain of second client public key.This method can allow the transaction cochain of data.
Description
Technical field
This application involves the data trade methods and its equipment in block chain technical field more particularly to block chain.
Background technique
Currently, block chain, Internet of Things and artificial intelligence are listed as three big technologies of future technology.Block chain technology is base
In the peer-to-peer network of decentralization, Cryptography Principles, time series data and common recognition mechanism are combined with open source software, to ensure point
Each node is coherent and lasting in cloth database, so that information is verified, is can be traced immediately, but be difficult to tamper with and can not shield,
To create a set of privacy, shareable value system efficiently, safe.
Block chain can allow small value to display, user can in the cofree carry out data trade of block chain,
With regard to the more and more important of change.However, can only all carry out transferring accounts for digital cash on various block chains at present, not can be carried out number
According to transaction.
Therefore, how to realize the transaction for carrying out data on block chain, become urgent problem to be solved.
Above content is only used for the technical solution that auxiliary understands the application, does not represent and recognizes that above content is existing skill
Art.
Summary of the invention
To solve the above-mentioned problems, the data trade method on the application offer block chain and its equipment, this method can
It allows the transaction cochains of data, realizes the owner and the buyer's two-win of data, and ensure data owner and buyer both sides' benefit
Benefit.
This application discloses the data trade methods on block chain, which comprises
Block chain node receives the data cochain request that the first client is sent, and data cochain request includes described the
The default price of data, the data of service server public key encryption and the data that one client public key encrypts；
The block chain node requests the data cochain to execute uplink operation；
The block chain node receives the data that the second client is sent and buys request, and the data purchase request includes number
According to purchasing price, the data purchasing price includes the default price of the data；
Triggering verifies intelligent contract, and the intelligent contract of the verification carries out school to the corresponding remaining sum of second client address
It tests, after verification passes through, freezes the data purchasing price；
The block chain node sends transaction request to service server, and the transaction request includes service server public key
The data of encryption, in order to which the service server is solved with data of the own private key to the service server public key encryption
It is close, and the data are encrypted with second client public key；
The block chain node receives the transaction response that the service server is sent, and the transaction response includes described the
The encrypted data of two client public keys；
The intelligent contract of triggering transaction, the intelligent contract of trading execute the transfer operation of the purchasing price, and will be described
The encrypted data cochain of second client public key.
In one possible implementation, the method also includes:
The block chain node receives the data inquiry request that second client is sent；
The block chain node is sent to the second client data inquiry response, and the data query response includes institute
The data of the second client public key encryption are stated, in order to which the second client own private key is to second client public key
The data of encryption are decrypted.
In one possible implementation, the data purchasing price further includes transactional services expense, the transactional services
Take the cochain service charge of auxiliary transactional services expense and the block chain node including the service server.
In one possible implementation, the data are business datum, and the business datum includes that business datum is closed
Attribute and business datum dereferenced attribute；Wherein, the value auto-associating superposition of the business datum relating attribute.
In one possible implementation, the first client own public key is to the data encryption, specifically:
First client carries out the encryption of preset ratio with own public key to the data；And/or
The public key of the service server second client to the data encryption, specifically: the business clothes
Business device carries out the encryption of preset ratio with the public key of second client to the data.
The application second aspect discloses the equipment for data exchanging on block chain, and the equipment is block chain node, described
Block chain node includes receiving unit, processing unit and transmission unit；Wherein,
The receiving unit receives the data cochain request that the first client is sent, and the data cochain request includes institute
State the default price of data, the data of service server public key encryption and the data that the first client public key encrypts；
The processing unit requests the data cochain to execute uplink operation；
The receiving unit receives the data that the second client is sent and buys request, and the data purchase request includes number
According to purchasing price, the data purchasing price includes the default price of the data；
The processing unit, triggering verify intelligent contract, and the intelligent contract of the verification is to second client address pair
The remaining sum answered is verified, and after verification passes through, freezes the data purchasing price；
The transmission unit sends transaction request to service server, and the transaction request includes service server public key
The data of encryption, in order to which the service server is solved with data of the own private key to the service server public key encryption
It is close, and the data are encrypted with second client public key；
The receiving unit, receives the transaction response that the service server is sent, and the transaction response includes described the
The encrypted data of two client public keys；
The processing unit, the intelligent contract of triggering transaction, the intelligent contract of the transaction execute transferring accounts for the purchasing price
Operation, and by the encrypted data cochain of second client public key.
In one possible implementation, the receiving unit receives the data query that second client is sent
Request；The transmission unit, is sent to the second client data inquiry response, and the data query response includes described the
The data of two client public keys encryption, in order to which the second client own private key encrypts second client public key
Data be decrypted.
In one possible implementation, the data purchasing price further includes transactional services expense, the transactional services
Take the cochain service charge of auxiliary transactional services expense and the block chain node including the service server.
In one possible implementation, the business datum includes business datum relating attribute and the non-pass of business datum
It is attribute；Wherein, the value auto-associating superposition of the business datum relating attribute.
In one possible implementation, the first client own public key is to the data encryption, specifically:
First client carries out the encryption of preset ratio with own public key to the data；And/or
The public key of the service server second client to the data encryption, specifically: the business clothes
Business device carries out the encryption of preset ratio with the public key of second client to the data.
This method can allow the transaction cochain of data, while process of exchange is transparent credible, ensure data owner and data
The interests of buyer；User can carry out data trade on block chain, allow each part of data that can generate value.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is the data trade method flow schematic diagram on block chain provided by the embodiments of the present application；
Fig. 2 is the data trade method flow schematic diagram on another block chain provided by the embodiments of the present application；
Fig. 3 is the equipment for data exchanging structural schematic diagram on block chain provided by the embodiments of the present application.
Specific embodiment
For the clearer general idea for illustrating the application, carry out in an illustrative manner with reference to the accompanying drawings of the specification detailed
It describes in detail bright.
The description and claims of this application and term " first " in above-mentioned attached drawing, " second " etc. are for distinguishing
Similar object, without being used to describe a particular order or precedence order.It should be understood that the sequence used in this way is in appropriate feelings
It can be interchanged under condition, so that the embodiment of the present invention described herein can be other than those of illustrating or describing herein
Sequence implement.
In addition, term " includes " and " having " and their any deformation, it is intended that covering non-exclusive includes example
Such as, the process, method, system, product or equipment for containing a series of steps or units those of are not necessarily limited to be clearly listed
Step or unit, but may include being not clearly listed or intrinsic for these process, methods, product or equipment other
Step or unit.
So-called node or client in the embodiment of the present application, it can be understood as respond extraneous certain trigger condition, and press
Certain rule does the abstract machine of state conversion, and can be mobile phone, tablet computer, palm PC, individual's PC computer etc. can be by
According to application software and the equipment that can network.
As shown in Figure 1, the data trade method on block chain, the method includes the steps S101-S107.
S101, block chain node receive the data cochain request that the first client is sent, and the data cochain request includes
The default price of data, the data of service server public key encryption and the data that first client public key encrypts.
S102, the block chain node request the data cochain to execute uplink operation.
S103, the block chain node receive the data that the second client is sent and buy request, the data purchase request
Including data purchasing price, the data purchasing price includes the default price of the data.
S104, triggering verify intelligent contract, and the intelligent contract of the verification is to the corresponding remaining sum of second client address
It is verified, after verification passes through, freezes the data purchasing price.
S105, the block chain node send transaction request to service server, and the transaction request includes business service
The data of device public key encryption, in order to which the service server own private key is to the data of the service server public key encryption
It is decrypted, and the data is encrypted with second client public key.
S106, the block chain node receive the transaction response that the service server is sent, and the transaction response includes
The encrypted data of second client public key.
S107, the intelligent contract of triggering transaction, the intelligent contract of trading execute the transfer operation of the purchasing price, and will
The encrypted data cochain of second client public key.
In one example, the block chain node receives the data inquiry request that second client is sent；It is described
Block chain node is sent to the second client data inquiry response, and the data query response includes second client
The data of public key encryption, the data second client public key encrypted in order to the second client own private key into
Row decryption.
In one example, the data purchasing price further includes transactional services expense, and the transactional services are taken including described
The auxiliary transactional services of service server are taken and the cochain service charge of the block chain node.
In one example, the business datum includes business datum relating attribute and business datum dereferenced attribute；Its
In, the value auto-associating of the business datum relating attribute is superimposed.
In one example, the first client own public key is to the data encryption, specifically: first visitor
Family end carries out the encryption of preset ratio with own public key to the data；And/or the service server is with second client
The public key at end to the data encryption, specifically: the service server is with the public key of second client to the data
Carry out the encryption of preset ratio.
Below by taking Fig. 2 as an example, the method for commerce of block chain node is described in detail, the method comprising the steps of S201-
S213。
S201, the first client carry out encryption portion to data with own public key, are added with service server public key to data
Close portion.
Data in the application are business datum.The business datum is divided into two attribute, relating attribute and dereferenced category
Property.Such as: user comment content belongs to dereferenced attribute, and the comment content of every user may be stored on block chain；When
When one businessman needs to buy the evaluation of certain part commodity, which can buy the evaluation of the commodity to multiple users, from block
It is operated on chain, it is open and clear, the interests of businessman and user can be ensured simultaneously.Such as: the quantity of user comment content, just
It is relating attribute, includes number of reviews in the business datum format of a commodity, it, should as long as there is user to comment on the commodity
The number of reviews of commodity can be superimposed automatically；Another example is: in the application business datum transaction count, be relating attribute, the business
The every transaction of data is primary, which increases by 1 automatically.
S202, the first client send data cochain and request to give block chain node, and data cochain request includes above-mentioned two
The default price of part encryption data and the data.
S203, block chain node request the data cochain to execute uplink operation.
At this point, chain process in business datum, the application without associated description, such as: in the common recognition of proof of work PoW
Under mechanism, after being packaged and being verified, it is synchronous that node broadcasts to all nodes carry out data.
S204, block chain node send data cochain and request to the first client.
S205, the second client send data purchase request and give block chain node, and data purchase request includes that data are purchased
Buying price lattice, the data purchasing price include the default price of the data.
Second client is the buyer of data, and the purchase request of the business datum is issued on block chain；It can look into
After asking the business datum, then purchase is sent to block chain node and is requested.At this point, further including the number for wanting purchase in purchase request
According to the mode of the data of purchase is wanted in instruction here, can be Data Identification；It is also possible to the corresponding user of the second client,
After user views the data for wanting purchase on a second client, purchase is clicked directly on.
At this point, the first client encrypts the business datum with own public key, it can be and carry out Partial key field
Encryption, is also possible to be encrypted (such as: encrypting 2/3rds of the business datum) purchase of the business datum according to preset ratio
Buyer can not check the business datum in the case where not buying.
Include the scheduled price of the owner of the business datum in purchase request, further includes transactional services expense, that is,
Block chain node takes the service charge of the business datum cochain and the auxiliary transactional services of service server；The transactional services are taken
There is the buyer of the business datum to pay.
The buyer of business datum needs to possess digital cash, and the purchase of business datum could be carried out on block chain；Industry
The digital cash that business data purchaser possesses, can be as the another kind of business datum owner, sells the another kind of business number
According to digital cash obtained；The digital cash can use on the block chain.The application is to this without being described in detail.
S206, triggering verify intelligent contract, which carries out school to the corresponding remaining sum of the second client address
It tests, after verification passes through, freezes the purchasing price.
At this point, just needing to freeze the purchasing price of the data after verification passes through；If verification does not pass through, do not need to freeze
The remaining sum of second client address, is not carried out subsequent step.
S207, block chain node send transaction request to service server, which includes service server public key
The business datum of encryption.
At this point, service server can be decrypted with data of the own private key to the service server public key encryption, it is used in combination
Second client public key encrypts the data.
S208, service server send transaction response to block chain node, and transaction response includes the second client public key
The data of encryption.
S209, triggering are traded intelligent contract, which executes transferring accounts for purchasing price, and by second client
Hold the data cochain of public key encryption.
S210, block chain node send purchase and respond to the second client.
S211, the second client send data inquiry request and give block chain node.
S212, block chain node send data and respond to the second client, and data response includes the second client public key
The data of encryption.
S213, the second client are decrypted with the data that own private key encrypts second client public key.
It should be noted that verifying intelligent contract in the process of exchange of the application and intelligent contract of trading, can be same
A intelligence contract, is also possible to two different intelligent contracts.
The data trade process of the application, whole process of exchange data are all stored on chain, open and clear, to protect
The interests of both parties are hindered.
As shown in figure 3, the equipment for data exchanging on block chain, the equipment is block chain node, the block chain node
Including receiving unit, processing unit and transmission unit.
The receiving unit receives the data cochain request that the first client is sent, and the data cochain request includes institute
State the default price of data, the data of service server public key encryption and the data that the first client public key encrypts.
The processing unit requests the data cochain to execute uplink operation.
The receiving unit receives the data that the second client is sent and buys request, and the data purchase request includes number
According to purchasing price, the data purchasing price includes the default price of the data.
The processing unit, triggering verify intelligent contract, and the intelligent contract of the verification is to second client address pair
The remaining sum answered is verified, and after verification passes through, freezes the data purchasing price.
The transmission unit sends transaction request to service server, and the transaction request includes service server public key
The data of encryption, in order to which the service server is solved with data of the own private key to the service server public key encryption
It is close, and the data are encrypted with second client public key.
The receiving unit, receives the transaction response that the service server is sent, and the transaction response includes described the
The encrypted data of two client public keys.
The processing unit, the intelligent contract of triggering transaction, the intelligent contract of the transaction execute transferring accounts for the purchasing price
Operation, and by the encrypted data cochain of second client public key.
In one example, the receiving unit receives the data inquiry request that second client is sent；The hair
Unit is sent, the second client data inquiry response is sent to, the data query response includes that second client is public
The data of key encryption, in order to which second client is carried out with the data that own private key encrypts second client public key
Decryption.
In one example, the data purchasing price further includes transactional services expense, and the transactional services are taken including described
The auxiliary transactional services of service server are taken and the cochain service charge of the block chain node.
In one example, the data are business datum, and the business datum includes business datum relating attribute and industry
Business data dereferenced attribute；Wherein, the value auto-associating superposition of the business datum relating attribute.
In one example, the first client own public key is to the data encryption, specifically: first visitor
Family end carries out the encryption of preset ratio with own public key to the data；And/or the service server is with second client
The public key at end to the data encryption, specifically: the service server is with the public key of second client to the data
Carry out the encryption of preset ratio.
This method can allow the transaction cochain of data, while process of exchange is transparent credible, ensure data owner and data
The interests of buyer；User can carry out data trade on block chain, allow each part of data that can generate value.
All the embodiments in this specification are described in a progressive manner, same and similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for system reality
For applying example, since it is substantially similar to the method embodiment, so being described relatively simple, related place is referring to embodiment of the method
Part explanation.
Professional should further appreciate that, described in conjunction with the examples disclosed in the embodiments of the present disclosure
Unit and algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, hard in order to clearly demonstrate
The interchangeability of part and software generally describes each exemplary composition and step according to function in the above description.
These functions are implemented in hardware or software actually, the specific application and design constraint depending on technical solution.
Professional technician can use different methods to achieve the described function each specific application, but this realization
It is not considered that exceeding scope of the present application.
The above description is only an example of the present application, is not intended to limit this application.For those skilled in the art
For, various changes and changes are possible in this application.All any modifications made within the spirit and principles of the present application are equal
Replacement, improvement etc., should be included within the scope of the claims of this application.
Claims (10)
1. the data trade method on block chain, which is characterized in that the described method includes:
Block chain node receives the data cochain request that the first client is sent, and the data cochain request includes first visitor
The default price of the data of family end public key encryption, the data of service server public key encryption and the data；
The block chain node requests the data cochain to execute uplink operation；
The block chain node receives the data that the second client is sent and buys request, and the data purchase request includes that data are purchased
Buying price lattice, the data purchasing price include the default price of the data；
Triggering verifies intelligent contract, and the intelligent contract of the verification verifies the corresponding remaining sum of second client address,
After verification passes through, freeze the data purchasing price；
The block chain node sends transaction request to service server, and the transaction request includes service server public key encryption
Data, in order to which the service server is decrypted with data of the own private key to the service server public key encryption,
And the data are encrypted with second client public key；
The block chain node receives the transaction response that the service server is sent, and the transaction response includes second visitor
Data after the public key encryption of family end；
Triggering is traded intelligent contract, and the intelligent contract of trading executes the transfer operation of the purchasing price, and by described second
The encrypted data cochain of client public key.
2. the method according to claim 1, wherein the method also includes:
The block chain node receives the data inquiry request that second client is sent；
The block chain node is sent to the second client data inquiry response, and the data query response includes described the
The data of two client public keys encryption, in order to which the second client own private key encrypts second client public key
Data be decrypted.
3. the method according to claim 1, wherein the data purchasing price further includes transactional services expense, institute
State the cochain service charge that transactional services expense includes auxiliary the transactional services expense and the block chain node of the service server.
4. the business datum includes the method according to claim 1, wherein the data are business datum
Business datum relating attribute and business datum dereferenced attribute；Wherein,
The value auto-associating of the business datum relating attribute is superimposed.
5. the method according to claim 1, wherein the first client own public key adds the data
It is close, specifically: first client carries out the encryption of preset ratio with own public key to the data；And/or
The public key of the service server second client to the data encryption, specifically: the service server
With the public key of second client data are carried out with the encryption of preset ratio.
6. the equipment for data exchanging on block chain, which is characterized in that the equipment is block chain node, the block chain node packet
Include receiving unit, processing unit and transmission unit；Wherein,
The receiving unit, receives the data cochain request that the first client is sent, and data cochain request includes described the
The default price of data, the data of service server public key encryption and the data that one client public key encrypts；
The processing unit requests the data cochain to execute uplink operation；
The receiving unit receives the data that the second client is sent and buys request, and the data purchase request includes that data are purchased
Buying price lattice, the data purchasing price include the default price of the data；
The processing unit, triggering verify intelligent contract, and the intelligent contract of the verification is corresponding to second client address
Remaining sum is verified, and after verification passes through, freezes the data purchasing price；
The transmission unit sends transaction request to service server, and the transaction request includes service server public key encryption
Data, in order to which the service server is decrypted with data of the own private key to the service server public key encryption,
And the data are encrypted with second client public key；
The receiving unit, receives the transaction response that the service server is sent, and the transaction response includes second visitor
Data after the public key encryption of family end；
The processing unit, the intelligent contract of triggering transaction, the intelligent contract of trading execute the transfer operation of the purchasing price,
And by the encrypted data cochain of second client public key.
7. equipment according to claim 6, which is characterized in that
The receiving unit receives the data inquiry request that second client is sent；
The transmission unit, is sent to the second client data inquiry response, and the data query response includes described the
The data of two client public keys encryption, in order to which the second client own private key encrypts second client public key
Data be decrypted.
8. equipment according to claim 6, which is characterized in that the data purchasing price further includes transactional services expense, institute
State the cochain service charge that transactional services expense includes auxiliary the transactional services expense and the block chain node of the service server.
9. equipment according to claim 6, which is characterized in that the business datum includes business datum relating attribute and industry
Business data dereferenced attribute；Wherein,
The value auto-associating of the business datum relating attribute is superimposed.
10. equipment according to claim 6, which is characterized in that the first client own public key is to the data
Encryption, specifically: first client carries out the encryption of preset ratio with own public key to the data；And/or
The public key of the service server second client to the data encryption, specifically: the service server
With the public key of second client data are carried out with the encryption of preset ratio.
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| CN201910499666.9A CN110210861A (en) | 2019-06-11 | 2019-06-11 | Data trade method and its equipment on block chain |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910499666.9A CN110210861A (en) | 2019-06-11 | 2019-06-11 | Data trade method and its equipment on block chain |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022206453A1 (en) * | 2021-03-30 | 2022-10-06 | 支付宝(杭州)信息技术有限公司 | Method and apparatus for providing cross-chain private data |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106503574A (en) * | 2016-09-13 | 2017-03-15 | 中国电子科技集团公司第三十二研究所 | Block chain safe storage method |
| CN108616539A (en) * | 2018-05-03 | 2018-10-02 | 东莞市翔实信息科技有限公司 | A kind of method and system that block chain transaction record accesses |
| CN109462588A (en) * | 2018-11-13 | 2019-03-12 | 上海物融智能科技有限公司 | A kind of decentralization data trade method and system based on block chain |
| CN109754250A (en) * | 2018-12-27 | 2019-05-14 | 石更箭数据科技(上海)有限公司 | Data trade method and system, platform, storage medium |
-
2019
- 2019-06-11 CN CN201910499666.9A patent/CN110210861A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106503574A (en) * | 2016-09-13 | 2017-03-15 | 中国电子科技集团公司第三十二研究所 | Block chain safe storage method |
| CN108616539A (en) * | 2018-05-03 | 2018-10-02 | 东莞市翔实信息科技有限公司 | A kind of method and system that block chain transaction record accesses |
| CN109462588A (en) * | 2018-11-13 | 2019-03-12 | 上海物融智能科技有限公司 | A kind of decentralization data trade method and system based on block chain |
| CN109754250A (en) * | 2018-12-27 | 2019-05-14 | 石更箭数据科技(上海)有限公司 | Data trade method and system, platform, storage medium |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022206453A1 (en) * | 2021-03-30 | 2022-10-06 | 支付宝(杭州)信息技术有限公司 | Method and apparatus for providing cross-chain private data |
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Address after: No.108, 1 / F, No.9, shangdijiu street, Haidian District, Beijing 100085 Applicant after: Beijing ruice Technology Co.,Ltd. Address before: No.108, 1 / F, No.9, shangdijiu street, Haidian District, Beijing 100085 Applicant before: BEIJING AIMORECE TECHNOLOGY Co.,Ltd. |
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Application publication date: 20190906 |