GB/T 19830-2023 Chinese PDF (GB/T19830-2023) GB/T 44934-2024 GB/T 13211-2025_Chinese: General quality requirements

GB/T 13211-2025_Chinese: General quality requirements for canned pears (Chinese: 梨罐头质量通则)

English versions: GB/T 29772-2024

GB/T 45293-2025_Chinese: Code of practice for breeding female moths inspection of silkworm (Bombyx mori

1-2024_Chinese: Information technology - Security techniques - Non-repudiation - Part 1: General (Chinese: 信息技术 安全技术 抗抵赖 第1部分：概述)

GB/T 19520

GB/T 19830-2023 Chinese PDF (GB/T19830-2023) GB/T 44934-2024 GB/T 13211-2025_Chinese: General quality requirementsGB T 19830 2023_Chinese: Petroleum and natural gas industries Steel pipes for use as casing or tubing for wells (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 19830 2023