ASTM F478绝缘线路软管及覆盖物使用保养
日期:2012-02-08 11:14
ASTM F478 Standard Specification for In-Service Care of Insulating Line Hose and Covers
ASTM F478绝缘线路软管及覆盖物使用保养
This specification covers the in-service care, inspection, testing, and use voltage of insulating line hose and covers for protection from electrical shock. Line hose covered in this specification are designed as Type I or Type II; Class 0, Class 1, Class 2, Class 3 or Class 4; Style A, Style B, Style C or Style D. Covers covered in this standard are designated as Type I
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