兑水 发表于 2009-9-29 12:19:16

ASTM D 1933-2003 作为电绝缘材料的氮气

D1933-03 Standard Specification for Nitrogen Gas as an Electrical Insulating Material
页: [1]
查看完整版本: ASTM D 1933-2003 作为电绝缘材料的氮气