GB/T 30117.4-2023 Chinese PDF (GB/T30117.4-2023) GB/T 16462.1-2023 1-2025_Chinese: Nickel base brazing filler

1-2025_Chinese: Nickel base brazing filler metals - Part 1: Solid brazing filler metals (Chinese: 镍基钎料 第1部分：实心钎料)

English versions: GB/T 45381-2025

1-2024_Chinese: Cast iron pipe flanges - Part 1: PN designated (Chinese: 铸铁管法兰 第1部分：PN系列)

GB/T 45225-2025_Chinese: Artificial intelligence - Deep learning algorithms evaluation (Chinese: 人工智能 深度学习算法评估)

GB/T 30117.4-2023 Chinese PDF (GB/T30117.4-2023) GB/T 16462.1-2023 1-2025_Chinese: Nickel base brazing fillerGB T 30117. 4 2023_Chinese: Photobiological safety of lamps and lamp systems Part 4: Measuring methods (Chinese: 4) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 30117. 4 2023