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GB/T 35420-2025 English PDF

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GB/T 35420-2025: Identification system for internet of things - Storage of Ecode in two-dimensional bar code
Status: Valid

GB/T 35420: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 35420-2025English299 Add to Cart 3 days [Need to translate] Identification system for internet of things - Storage of Ecode in two-dimensional bar code Valid GB/T 35420-2025
GB/T 35420-2017English199 Add to Cart 3 days [Need to translate] Identification system for internet of things -- Ecode encoding specifications for two-dimensional barcode Valid GB/T 35420-2017

PDF similar to GB/T 35420-2025


Standard similar to GB/T 35420-2025

GB/T 33993   GB/T 38660   GB/T 33710   GB/T 35419   GB/T 35416   

Basic data

Standard ID GB/T 35420-2025 (GB/T35420-2025)
Description (Translated English) Identification system for internet of things - Storage of Ecode in two-dimensional bar code
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard A24
Classification of International Standard 35.040
Word Count Estimation 14,145
Date of Issue 2025-05-30
Date of Implementation 2025-12-01
Older Standard (superseded by this standard) GB/T 35420-2017
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 35420-2025: Identification system for internet of things - Storage of Ecode in two-dimensional bar code


---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
National Standard of the People's Republic of China ICS 35.040CCS A 24 IoT Identification System Storage of Ecode in QR code Identification system for internet of things-Storage of Ecode in Two-dimensional bar code 2025-05-30 Release 2025-12-01 Implementation State Administration for Market Regulation The National Standardization Administration issued Replaces GB/T 35420-2017

Table of contents

Preface Ⅲ 1 Scope...1 2 Normative references ...1 3 Terms and Definitions 1 4 Abbreviations 2 5 Data structure types 2 6 Encoded Data Structure 2 7 URL data structure ...3 8 QR code selection ...3 Appendix A (Informative) Example of Ecode stored in a QR code 4 References 6

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting is required. This document replaces GB/T 35420-2017 "Storage of Ecode in QR code for Internet of Things Identification System". Compared with.2017, in addition to structural adjustments and editorial changes, the main technical changes are as follows. a) The data structure type of Ecode has been changed (see Chapter 5, Chapter 5 of the.2017 edition); b) Added the encoding data structure of Ecode-V0 (see 6.1); c) The user area of the Ecode-V1, Ecode-V2, and Ecode-V3 coding data structures has been deleted (see 6.1 of the.2017 edition); d) The start character of the attribute area, the DCI start character and the DCI end character are deleted (see 6.2.2 of the.2017 version); e) Added the URL data structure of Ecode-V0 (see 7.1); f) Changed the leading character “?” in the unique identification area of the Ecode-V1, Ecode-V2, and Ecode-V3 URL data structures (see 7.2,.2017 7 of the.2001 edition); g) Added the leading characters "?", " This document is proposed and coordinated by the National Article Coding Standardization Technical Committee (SAC/TC 287). This document was drafted by. China Article Numbering Center, Zhejiang Quality Science Research Institute, Jiangsu Quality and Standardization Research Institute, Inner Mongolia Xinjiang Uygur Autonomous Region Quality and Standardization Research Institute, Henan Province Standardization and Quality Research Institute, Xinjiang Uygur Autonomous Region Quality Foundation Development Research Institute, Fujian Provincial Institute of Standardization, Xiamen Municipal Institute of Standardization, Jiangxi Provincial Institute of Quality and Standardization, Anhui Provincial Institute of Quality and Standardization, Chongqing Quality and Standardization Research Institute, Beijing Institute of Standardization, Beijing Jiaotong University, State Grid Corporation of China, State Grid Materials Co., Ltd. Company, Harbin Standardization Research Institute, Guangdong Xulong IoT Technology Co., Ltd., Beijing Dongfang Jiema Technology Development Center, China IoT Product Coding Center (Guangzhou) Technical Service Company, Guangdong Foshan Quality and Technical Supervision Standards and Coding Institute, Jilin Standards Research Institute, Yantai Municipal Standard Metrology Inspection and Testing Center. The main drafters of this document are. Li Sucai, Wang Peiliang, Fang Yan, Yuan Jinbo, Li Jianhua, Zhou Shunji, Zhang Gang, Zhang Ying, Sun Junlin, Bilige, Han Ying, Du Jingrong, Meng Ruopu, Ding Kai, Pan Kailing, Zhou Xuejun, Wu Jie, Xia Wenyan, Asya Maimaiti Yiming, Kong Weijia, Chen Zhenyu, Zhang Qiuxia, Chen Guang, Yang Kai, Peng Zhiwei, Dong Yue, Xu Chaorong, Zhang Shuo, Chi Pengsheng, Cai Weixu, Mai Huahao, Liu Na, Huang Xuesong, Duan Hengying, Hua Yunqi, Cui Jian, Chen Lei. The previous versions of this document and the documents it replaces are as follows. --First published in.2017 as GB/T 35420-2017; --This is the first revision. IoT Identification System Storage of Ecode in QR code

1 Scope

This document specifies the data structure type, encoding, and Requirements for data structure, URL data structure and QR code selection. This document is applicable to the Internet of Things (IoT) using QR codes as data carriers, including Ecode⁃V0, Ecode⁃V1, Ecode⁃V2, and Ecode⁃V3. application.

2 Normative references

The contents of the following documents constitute the essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document. GB/T 5261 Information processing control functions for seven-bit and eight-bit coded character sets GB/T 12905-2019 Barcode Terminology GB/T 16986 Product barcode application identifier GB/T 18284 Quick Response Matrix Code GB/T 21049 Chinese Xin Code GB/T 31866-2023 Internet of Things Identification System Item Code Ecode GB/T 33993 Product QR Code GB/T 38606 Internet of Things Identification System Data Content Identifier GB/T 41208 Data Matrix Code

3 Terms and definitions

The terms and definitions defined in GB/T 12905-2019, GB/T 31866-2023, GB/T 38606 and the following apply to this document. 3.1 two-dimensional bar code; 2D code QR code A barcode symbol that represents information in two dimensions. [Source. GB/T 12905-2019, 2.3, modified] 3.2 Ecode Ecode of entity code A unified code for items in the Internet of Things identification system. Note. Abbreviated as Ecode. [Source. GB/T 31866-2023, 3.1] 3.3 Version version; V In Ecode encoding, the code used to distinguish different Ecode encoding structures.

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