GB/T 13815.1-2025 Chinese PDF (GB /T13815.1-2025) GB/T 15470.2-2025 GB/T 17670-2025_Chinese: Unified coding for

Name: GB/T 13815.1-2025 Chinese PDF (GB /T13815.1-2025) GB/T 15470.2-2025 GB/T 17670-2025_Chinese: Unified coding for
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GB/T 17670-2025_Chinese: Unified coding for natural stone (Chinese: 天然石材统一编号)

English versions: GB/T 21044-2024

2 (Chinese: 无损检测超声检测试块第2部分：2号标准试块)

English versions: GB/T 20717-2024

English versions: GB/T 20244-2025

GB/T 13815.1-2025 Chinese PDF (GB /T13815.1-2025) GB/T 15470.2-2025 GB/T 17670-2025_Chinese: Unified coding forGB T 13815. 1 2025_Chinese: Aluminium base brazing filler metals Part 1: Solid brazing filler metals (Chinese: 1) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 13815. 1 2025

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