GB/T 15558.4-2023 Chinese PDF (GB/T15558.4-2023) GB/T 45138-2024 GB/T 45620-2025_Chinese: Encoding specification of

Name: GB/T 15558.4-2023 Chinese PDF (GB/T15558.4-2023) GB/T 45138-2024 GB/T 45620-2025_Chinese: Encoding specification of
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Description

GB/T 45620-2025_Chinese: Encoding specification of electronic code for agricultural means of production product (Chinese: 农资商品电子代码编码规则)

GB/T 45224-2025_Chinese: Smart city - Technical requirement for intelligent monitoring of urban transport infrastructure (Chinese: 智慧城市城市交通基础设施智能监测技术要求)

English versions: GB 44246-2024

English versions: GB/T 14020-2024

English versions: GB/T 45225-2025

GB/T 15558.4-2023 Chinese PDF (GB/T15558.4-2023) GB/T 45138-2024 GB/T 45620-2025_Chinese: Encoding specification ofGB T 15558. 4 2023_Chinese: Buried polyethylene(PE) piping systems for the supply of gaseous fuels Part 4: Valves (Chinese: PE 4) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 15558. 4 2023

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