推荐性国家标准现行
GB/T 45164-2024
熔模铸件缺陷分类及命名
Classification and designation of defects in investment castings
- 实施日期
- 2025-07-01
- ICS 分类
- 77.020
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 45164-2024
Classification and designation of defects in investment castings
GB/T 4134-2021
Gold ingots
GB/T 15512-2009
Technical guides for evaluating the saving of iron and steel product in enterprise
GB 21248-2007
The norm of energy consumption per unit products of copper metallurgical enterprise