HB 98-2003
Guidance on environmental aspects in specifications and design briefs for electrotechnical products
现行
发布日期 :
2003-09-29
实施日期 :
HB 98-1997
Guidance on environmental aspects in specifications and design briefs for electrotechnical products
现行
发布日期 :
1997-11-05
实施日期 :
ASTM B854-98(2022)
Standard Guide for Measuring Electrical Contact Intermittences
Active
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ASTM C27-98(2022)
Standard Classification of Fireclay and High-Alumina Refractory Brick
Active
发布日期 :
实施日期 :
ASTM D1141-98(2021)
Standard Practice for Preparation of Substitute Ocean Water
Active
发布日期 :
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