Reinforcements - Specification for textile glass rovings - Part 2: methods of test and general requirements.
增强材料。玻璃纤维粗纱规范。第2部分：试验方法和一般要求。
The specification of the purchase of "industrial Vaseline" material classification, requirements, test methods, marking, packaging, transportation and storage.
本规范规定了采购“工业凡士林”材料的分类、要求、试验方法、包装、标志、运输及贮存。
This specification specifies requirements, test methods, inspection rules, packaging, marking, transportation and storage of "conductive carbon black" materials.
本规范规定了采购“导电炭黑”材料的要求、试验方法、检验规则、包装、标志、运输及贮存。
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