moolea 发表于 2017-8-18 16:53:08

ASTM A1101-16 Standard Specification for Sintered and Fully Dense Neodymium Iron

ASTM A1101-16 Standard Specification for Sintered and Fully Dense Neodymium Iron Boron (NdFeB) Permanent Magnets


admin 发表于 2017-8-21 22:01:40


谢谢您的分享,金币已奖励!
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