liuxilin1215 发表于 2014-1-1 08:07:54

IEC 60534-6-2-2000

IEC 60534-6-2-2000 Industrial-process control valves – Part 6-2: Mounting details for attachment of positioners to control valves – Positioner mounting on rotary actuators


admin 发表于 2014-1-2 18:36:32

谢谢您的分享，金币已奖励！

asnt2012 发表于 2017-6-23 21:31:09

IEC 60534-6-2-2000 Industrial-process control valves – Part 6-2:
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