GB/T 21369-2024 Chinese PDF (GB /T21369-2024) GB/T 20604-2025 GB/T 21638-2025_Chinese: Microbeam analysis -

GB/T 21638-2025_Chinese: Microbeam analysis - Guidelines for electron beam microanalysis of defects in steel materials (Chinese: 微束分析 钢铁材料缺陷电子束显微分析方法通则)

GB/T 24129-2025_Chinese: Testing method for the non-marking outsole of rubber shoes and sports shoes (Chinese: 胶鞋、运动鞋外底不留痕试验方法)

English versions: GB/T 10810

English versions: GB/T 32197-2025

GB/T 17436-2025_Chinese: Selection of explosion proof electrical equipment in ship hazardous areas (Chinese: 船舶危险区域防爆电气设备的选用)

GB/T 21369-2024 Chinese PDF (GB /T21369-2024) GB/T 20604-2025 GB/T 21638-2025_Chinese: Microbeam analysis -GB T 21369 2024_Chinese: Specification for equipping and managing of measuring instrument of energy in fossil power plants (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 21369 2024