ir_71 发表于 2014-5-27 00:02:06

ISO 26602:2009

ISO 26602:2009
Fine Ceramics (advanced Ceramics,  advanced technical Ceramics) - Silicon  nitride Materials for Rolling Bearing Balls



37229 [/ attach]

37229 [/ attach]


doing 发表于 2014-5-27 11:03:23

谢谢分享，谢谢分享!!!!

admin 发表于 2014-5-27 18:53:30

谢谢您的分享，金币已奖励！
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