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liuxilin1215 发表于 2014-1-17 07:47:21

IEC 60534-6-1997

IEC 60534-6-1997 Industrial-process control valves – Part 6: Mounting details for attachment of positioners to control valves – Section 1: Positioner mounting on linear actuators

exam 发表于 2014-1-17 08:33:38

谢谢提供IEC标准:):):):):)

admin 发表于 2014-1-18 19:07:10

谢谢您的分享，金币已奖励！

查看完整版本: IEC 60534-6-1997