GSO EN 1804-3:2011

Machines for underground mines - Safety requirements for hydraulic powered roof supports - Part 3: Hydraulic control systems

标准号

GSO EN 1804-3:2011

发布

2011年

发布单位

GSO

当前最新

GSO EN 1804-3:2011

 

 

This document specifies the safety requirements for hydraulic control devices, including hydraulic valves and their control elements, valve combi¬nations, control systems, pipes an...

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