GB/T 20317-2023 Chinese PDF (GB/T20317-2023) GB/T 45323-2025 GB/T 29021-2023_Chinese: Petroleum drilling and

GB/T 29021-2023_Chinese: Petroleum drilling and production equipment - Beam pumping unit (Chinese: 石油天然气钻采设备 游梁式抽油机)

6-2024_Chinese: Antimicrobial and cleaning function of household and similar electrical appliances - Part 6: Particular requirements for air conditioner (Chinese: 家用和类似用途电器的抗菌、除菌、净化功能 第6部分：空调器的特殊要求)

GB/T 44979-2024_Chinese: Smart community infrastructures - Smart transportation for compact cities (Chinese: 智慧城市基础设施 紧凑型城市智慧交通)

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 45188-2024_Chinese: Hand protection - Protective gloves for welders (Chinese: 手部防护 焊工防护手套)

GB/T 20317-2023 Chinese PDF (GB/T20317-2023) GB/T 45323-2025 GB/T 29021-2023_Chinese: Petroleum drilling andGB T 20317 2023_Chinese: Fused extrusion and deposition modeling machines Testing of the accuracy (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 20317 2023