SG11202006029RA - Blockchain-based data verification method and apparatus, and electronic device - Google Patents

Blockchain-based data verification method and apparatus, and electronic device

Info

Publication number
SG11202006029RA
SG11202006029RA SG11202006029RA SG11202006029RA SG11202006029RA SG 11202006029R A SG11202006029R A SG 11202006029RA SG 11202006029R A SG11202006029R A SG 11202006029RA SG 11202006029R A SG11202006029R A SG 11202006029RA SG 11202006029R A SG11202006029R A SG 11202006029RA
Authority
SG
Singapore
Prior art keywords
blockchain
electronic device
based data
verification method
data verification
Prior art date
Application number
SG11202006029RA
Inventor
Guojun Ye
Original Assignee
Alibaba Group Holding Ltd
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 Alibaba Group Holding Ltd filed Critical Alibaba Group Holding Ltd
Publication of SG11202006029RA publication Critical patent/SG11202006029RA/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3236Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions
    • H04L9/3239Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions involving non-keyed hash functions, e.g. modification detection codes [MDCs], MD5, SHA or RIPEMD
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3236Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/14Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
    • G06K7/1404Methods for optical code recognition
    • G06K7/1408Methods for optical code recognition the method being specifically adapted for the type of code
    • G06K7/14131D bar codes
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/14Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
    • G06K7/1404Methods for optical code recognition
    • G06K7/1408Methods for optical code recognition the method being specifically adapted for the type of code
    • G06K7/14172D bar codes
    • 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
    • G06Q20/00Payment architectures, schemes or protocols
    • G06Q20/02Payment architectures, schemes or protocols involving a neutral party, e.g. certification authority, notary or trusted third party [TTP]
    • 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
    • G06Q20/00Payment architectures, schemes or protocols
    • G06Q20/38Payment protocols; Details thereof
    • G06Q20/382Payment protocols; Details thereof insuring higher security of transaction
    • G06Q20/3827Use of message hashing
    • 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
    • G06Q20/00Payment architectures, schemes or protocols
    • G06Q20/38Payment protocols; Details thereof
    • G06Q20/40Authorisation, e.g. identification of payer or payee, verification of customer or shop credentials; Review and approval of payers, e.g. check credit lines or negative lists
    • G06Q20/401Transaction verification
    • 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
    • G06Q30/018Certifying business or products
    • G06Q30/0185Product, service or business identity fraud
    • 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
    • G06Q40/00Finance; Insurance; Tax strategies; Processing of corporate or income taxes
    • G06Q40/04Trading; Exchange, e.g. stocks, commodities, derivatives or currency exchange
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/12Applying verification of the received information
    • H04L63/123Applying verification of the received information received data contents, e.g. message integrity
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/50Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees
    • 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
    • G06Q2220/00Business processing using cryptography
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/56Financial cryptography, e.g. electronic payment or e-cash
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2463/00Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00
    • H04L2463/102Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00 applying security measure for e-commerce

Landscapes

  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • Accounting & Taxation (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Finance (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Strategic Management (AREA)
  • General Business, Economics & Management (AREA)
  • Electromagnetism (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Artificial Intelligence (AREA)
  • Toxicology (AREA)
  • Development Economics (AREA)
  • Economics (AREA)
  • Marketing (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Technology Law (AREA)
  • Computer Hardware Design (AREA)
  • Entrepreneurship & Innovation (AREA)
  • General Engineering & Computer Science (AREA)
  • Computing Systems (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
  • Storage Device Security (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
SG11202006029RA 2018-06-29 2019-03-28 Blockchain-based data verification method and apparatus, and electronic device SG11202006029RA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810713248.0A CN109067541B (en) 2018-06-29 2018-06-29 Data verification method and device based on block chain and electronic equipment
PCT/CN2019/080021 WO2020001105A1 (en) 2018-06-29 2019-03-28 Blockchain-based data verification method and apparatus, and electronic device

Publications (1)

Publication Number Publication Date
SG11202006029RA true SG11202006029RA (en) 2020-07-29

Family

ID=64818892

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202006029RA SG11202006029RA (en) 2018-06-29 2019-03-28 Blockchain-based data verification method and apparatus, and electronic device

Country Status (10)

Country Link
US (1) US20200294048A1 (en)
EP (1) EP3720045B1 (en)
JP (1) JP2021515427A (en)
KR (1) KR102460055B1 (en)
CN (2) CN109067541B (en)
AU (1) AU2019295815C1 (en)
CA (1) CA3087297A1 (en)
SG (1) SG11202006029RA (en)
TW (1) TWI753228B (en)
WO (1) WO2020001105A1 (en)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109067541B (en) * 2018-06-29 2020-09-22 阿里巴巴集团控股有限公司 Data verification method and device based on block chain and electronic equipment
CN109087101B (en) * 2018-08-07 2021-09-07 北京三快在线科技有限公司 Transaction verification method and device, storage medium and electronic equipment
JP7135568B2 (en) 2018-08-13 2022-09-13 コニカミノルタ株式会社 IMAGE INSPECTION DEVICE, IMAGE FORMING DEVICE, AND PROGRAM
CN110009338B (en) * 2018-12-25 2020-10-23 创新先进技术有限公司 Accounting method and device based on block chain and electronic equipment
CN110046901B (en) * 2018-12-28 2020-06-30 阿里巴巴集团控股有限公司 Credibility verification method, system, device and equipment of alliance chain
CN109740384B (en) * 2019-01-11 2023-11-10 众安信息技术服务有限公司 Data certification method and device based on blockchain
CN109960949A (en) * 2019-01-28 2019-07-02 中国科学院数据与通信保护研究教育中心 A kind of data storage verification method and device
CN109902086B (en) * 2019-01-31 2022-12-20 创新先进技术有限公司 Index creation method, device and equipment
CN110334175B (en) * 2019-04-29 2021-06-04 山东冰链网络信息科技有限公司 Zero knowledge proof method, system and storage medium for medical document
US10795882B2 (en) 2019-04-30 2020-10-06 Alibaba Group Holding Limited Blockchain-based data compression and searching
CN110163755B (en) * 2019-04-30 2020-11-24 创新先进技术有限公司 Block chain-based data compression and query method and device and electronic equipment
US11009859B2 (en) * 2019-05-06 2021-05-18 Fisher-Rosemount Systems, Inc. Framework for privacy-preserving big-data sharing using distributed ledger
CN110223127A (en) * 2019-05-20 2019-09-10 深圳壹账通智能科技有限公司 Bill data backing method and system
CN112132574B (en) * 2019-06-25 2024-08-02 华为技术有限公司 Block chain data verification method, data processing method, device and equipment
FR3099017B1 (en) * 2019-07-16 2021-08-06 Idemia Identity & Security France Process for verifying a transaction in a blockchain-type database
CN110555296B (en) * 2019-08-01 2020-08-18 阿里巴巴集团控股有限公司 Identity verification method, device and equipment based on block chain
CN111835808B (en) * 2019-08-01 2023-11-14 北京骑胜科技有限公司 Data storage method and device, data reading method and device, and storage medium
US10756901B2 (en) 2019-08-01 2020-08-25 Alibaba Group Holding Limited Blockchain-based identity authentication method, apparatus, and device
CN110689348B (en) * 2019-09-30 2023-12-29 腾讯云计算(北京)有限责任公司 Revenue verification method, device, terminal and medium based on alliance chain
CN110889264B (en) * 2019-11-11 2021-06-22 腾讯科技(深圳)有限公司 Multimedia information processing method, device, equipment and storage medium
CN111145354B (en) * 2019-12-31 2024-02-13 北京恒华伟业科技股份有限公司 BIM data model identification method and device
CN111478957B (en) * 2020-04-02 2023-09-08 深圳市人工智能与机器人研究院 Experimental data processing method and device based on block chain and computer equipment
KR102241246B1 (en) * 2020-06-26 2021-04-16 (주)아이앤텍 A stamp authority system based on blockchain for verifying the authenticity of issued documents
CN111539033B (en) * 2020-07-08 2020-10-09 南京金宁汇科技有限公司 Method and system for realizing credibility of data calculation in block chain
CN111899019A (en) * 2020-07-28 2020-11-06 朱玮 Method and system for cross validation and sharing of blacklist and multiple parties
CN111738725B (en) 2020-07-31 2020-12-22 支付宝(杭州)信息技术有限公司 Cross-border resource transfer authenticity auditing method and device and electronic equipment
CN111723159A (en) * 2020-08-21 2020-09-29 支付宝(杭州)信息技术有限公司 Data verification method and device based on block chain
KR102423523B1 (en) 2020-11-19 2022-07-21 주식회사 한빛소프트 The forgery discrimination system of digital contents using block-chain platform based on webassembly and the method using thereof
CN112488681A (en) * 2020-12-11 2021-03-12 广东广宇科技发展有限公司 Block chain-based authorization code payment method, system, terminal and storage medium
CN112800055A (en) * 2021-01-18 2021-05-14 湖北宸威玺链信息技术有限公司 Data truth verification method, system, device and medium based on bloom filter
JP7478440B2 (en) 2021-03-25 2024-05-07 国立研究開発法人産業技術総合研究所 Information processing method and information processing system
CN113656497A (en) * 2021-08-06 2021-11-16 支付宝(杭州)信息技术有限公司 Data verification method and device based on block chain
CN113743783A (en) * 2021-09-03 2021-12-03 泰康保险集团股份有限公司 Credit evaluation method and device for medical institution
CN113672994B (en) * 2021-09-03 2023-12-01 中国联合网络通信集团有限公司 Cooking equipment data management method, device and system based on blockchain
CN113779155B (en) * 2021-09-24 2024-08-09 支付宝(杭州)信息技术有限公司 Block chain transaction processing method, device and equipment
CN113821776B (en) * 2021-11-24 2022-02-08 武汉大学 Storage information verification method and system based on alliance chain consensus mechanism
CN117408595B (en) * 2023-12-11 2024-04-30 上海文景信息科技有限公司 Block chain-based multi-mode intermodal whole-course quality control method and system
CN117893213B (en) * 2024-01-16 2024-09-13 温州城市一卡通服务有限公司 Communication data processing method for citizen card consumption terminal

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003233652A (en) * 2002-02-12 2003-08-22 Sharp Corp Quality control system, quality control method, quality control program, and recording medium recording quality control program
JP2004045607A (en) * 2002-07-10 2004-02-12 Taketoshi Okamoto Electronic certificate, recording medium having electronic certificate recorded thereon, and method, device and program for issuing electronic certificate, and method, device and program for displaying electronic certificate
JP2004289720A (en) * 2003-03-25 2004-10-14 Mitsubishi Electric Information Systems Corp Electronic signature system and program for computer to execute the same
US9553982B2 (en) * 2013-07-06 2017-01-24 Newvoicemedia, Ltd. System and methods for tamper proof interaction recording and timestamping
US20160098730A1 (en) * 2014-10-01 2016-04-07 The Filing Cabinet, LLC System and Method for Block-Chain Verification of Goods
US20160098723A1 (en) * 2014-10-01 2016-04-07 The Filing Cabinet, LLC System and method for block-chain verification of goods
US20160164884A1 (en) * 2014-12-05 2016-06-09 Skuchain, Inc. Cryptographic verification of provenance in a supply chain
CN107851111A (en) * 2015-05-05 2018-03-27 识卡公司 Use the identity management services of block chain
JP2017041841A (en) * 2015-08-21 2017-02-23 パナソニックIpマネジメント株式会社 Signature generation system, signature generation device and signature generation method
US9971809B1 (en) * 2015-09-28 2018-05-15 Symantec Corporation Systems and methods for searching unstructured documents for structured data
JP6608256B2 (en) * 2015-11-26 2019-11-20 株式会社bitFlyer Blockchain Electronic data existence certification program and existence certification server
CN105608588A (en) * 2016-01-04 2016-05-25 布比(北京)网络技术有限公司 Tracing record processing method and apparatus
EP3472790A4 (en) * 2016-06-16 2020-01-29 The Bank of New York Mellon Ensuring data integrity of executed transactions
US10778961B2 (en) * 2016-07-26 2020-09-15 Qcify Inv. Adaptable sorter unit for existing processing lines
US10523443B1 (en) * 2016-08-24 2019-12-31 Bruce Kleinman Devices, methods, and systems for cryptographic authentication and provenance of physical assets
CN106357612B (en) * 2016-08-25 2019-07-16 江苏通付盾科技有限公司 Authentication record checking method and device based on publicly-owned block chain
CN106503053B (en) * 2016-09-26 2019-07-16 江苏通付盾科技有限公司 UTXO querying method and device
CN106548091A (en) * 2016-10-14 2017-03-29 北京爱接力科技发展有限公司 A kind of data deposit card, the method and device of checking
CN107391298B (en) * 2017-07-06 2021-02-09 上海策链信息科技有限公司 Data storage state detection method and device and computer readable storage medium
CN107316239A (en) * 2017-07-14 2017-11-03 众安信息技术服务有限公司 A kind of authentification of message and source tracing method and system based on block chain
CN107506661B (en) * 2017-08-15 2020-04-24 河南真二互联网科技有限公司 Method for generating house historical record based on block chain
CN107657438B (en) * 2017-09-18 2020-12-04 联动优势科技有限公司 Block chain generation method, data verification method, node and system
CN107483498A (en) * 2017-09-22 2017-12-15 中国联合网络通信集团有限公司 Academic authentication method and system based on block chain
CN107862216B (en) * 2017-10-13 2021-04-06 布比(北京)网络技术有限公司 Privacy protection method, device and storage medium for anonymous cross-link transaction
CN107909372A (en) * 2017-10-25 2018-04-13 复旦大学 A kind of agricultural product source tracing method based on block chain technology
CN207504911U (en) * 2017-11-17 2018-06-15 北京亿生生网络科技有限公司 A kind of data deposit system based on block chain technology
CN107819777B (en) * 2017-11-17 2020-07-24 利姆斯(北京)区块链技术有限公司 Data evidence storing method and system based on block chain technology
US9990504B1 (en) * 2017-12-18 2018-06-05 Northern Trust Corporation Systems and methods for generating and maintaining immutable digital meeting records within distributed network nodes
US10701054B2 (en) * 2018-01-31 2020-06-30 Salesforce.Com, Inc. Systems, methods, and apparatuses for implementing super community and community sidechains with consent management for distributed ledger technologies in a cloud based computing environment
US10878429B2 (en) * 2018-03-28 2020-12-29 Konstantinos Bakalis Systems and methods for using codes and images within a blockchain
US10970669B2 (en) * 2018-06-18 2021-04-06 General Electric Company Blockchain enabled transaction processing for an industrial asset supply chain
CN109067541B (en) * 2018-06-29 2020-09-22 阿里巴巴集团控股有限公司 Data verification method and device based on block chain and electronic equipment

Also Published As

Publication number Publication date
AU2019295815A1 (en) 2020-07-09
JP2021515427A (en) 2021-06-17
CA3087297A1 (en) 2020-01-02
KR20200089749A (en) 2020-07-27
KR102460055B1 (en) 2022-10-27
CN112491551A (en) 2021-03-12
TW202002569A (en) 2020-01-01
US20200294048A1 (en) 2020-09-17
WO2020001105A1 (en) 2020-01-02
AU2019295815B2 (en) 2021-12-09
CN109067541B (en) 2020-09-22
EP3720045B1 (en) 2024-05-08
CN109067541A (en) 2018-12-21
EP3720045A1 (en) 2020-10-07
CN112491551B (en) 2023-01-20
TWI753228B (en) 2022-01-21
AU2019295815C1 (en) 2021-12-23
EP3720045A4 (en) 2021-09-08

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