ygs67 发表于 2016-3-2 15:11:20

ASTM D117-10

ASTM D117-10 Standard Guide for Sampling, Test Methods, and Specifications for Electrical Insulating Oils of Petroleum Origin

admin 发表于 2016-3-2 16:13:01

谢谢您的分享，金币已奖励！
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