GB/T 32158-2025
煤系针状焦
Coal-based needle coke
- 实施日期
- 2025-08-01
- ICS 分类
- 75.160.10
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 32158-2025
Coal-based needle coke
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