GB/T 38471-2023
再生铜原料
Recycling material for copper
- 实施日期
- 2023-12-01
- ICS 分类
- 77.150.30
组合使用关键词、标准类型、状态与 ICS 分类,快速定位所需国家标准。
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GB/T 38471-2023
Recycling material for copper
GB/T 38472-2023
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