GB/T 40067-2021
碳化钨粉末微观组织及缺陷检测方法
Microstructure and defect determination of tungsten carbide powder
- 实施日期
- 2021-12-01
- ICS 分类
- 77.160
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 40067-2021
Microstructure and defect determination of tungsten carbide powder
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Steel wire ropes for the petroleum and natural gas industries—Minimum requirements and terms of acceptance
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GB/T 11066.11-2021
Methods for chemical analysis of gold—Part 11:Determination of magnesium, chromium,manganese,iron,nickel,copper,palladium,silver,tin,antimony,lead and bismuth contents—Inductively coupled plasma mass spectrometry