GB/T 25774.3-2023 Chinese PDF (GB/T25774.3-2023) GB/T 45543-2025 English versions: GB/T 23031

English versions: GB/T 23031

GB/T 17727-2024_Chinese: Nonmetal material gaskets for marine flange (Chinese: 船用法兰非金属垫片)

GB/T 43271-2023_Chinese: Wood identification - DNA barcoding method (Chinese: 木材鉴定 DNA条形码方法)

GB/T 44950-2024_Chinese: Grade of sea fog warning (Chinese: 海雾预警等级)

1-2024_Chinese: Graphical symbols for communication support of the elderly - Part 1: Design principles (Chinese: 老年人交流辅助用图形符号 第1部分：表示规则)

GB/T 25774.3-2023 Chinese PDF (GB/T25774.3-2023) GB/T 45543-2025 English versions: GB/T 23031GB T 25774. 3 2023_Chinese: Test methods for welding consumables Part 3: Preparation and testing of a fillet weld specimens for T joint (Chinese: 3T) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 25774. 3 2023