GB/T 45145-2024 Chinese PDF (GB /T45145-2024) GB/T 33296-2025 GB/T 31033-2025_Chinese: Technical requirements for

GB/T 31033-2025_Chinese: Technical requirements for well control technology of oil and gas drilling (Chinese: 石油天然气钻井井控技术要求)

4-2024_Chinese: Mineral and sapphire watch-glasses - Part 4: Anti-reflective treatment (Chinese: 无机和蓝宝石手表玻璃 第4部分：减反射处理)

English versions: GB/T 45284

English versions: GB/T 25045-2025

1-2024_Chinese: Non-destructive testing - Penetrant testing - Part 1: General principles (Chinese: 无损检测 渗透检测 第1部分：总则)

GB/T 45145-2024 Chinese PDF (GB /T45145-2024) GB/T 33296-2025 GB/T 31033-2025_Chinese: Technical requirements forGB T 45145 2024_Chinese: Performance and testing requirements of maritime survivor locating devices (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45145 2024