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专利名称：PNEUMATICALLY OPERATED CONTROL
VALVE FOR PNEUMATIC CONTROL AT LOWPRESSURE AND WORKING PRESSURE.
发明人：GASSERT, WILLY申请号：EP79900736申请日：19800225公开号：EP0016074A1公开日：19801001
摘要：the block includes a number of control valves control valves which, in general,are the same.the control valve includes means (9, 10) which, when the control piston (20,20 ') is operated, the lock immediately before and the entrance side are the atmospherebelow.the valves or valves are used for the block, in particular to automatic control oftime or a sequence of pneumatic or hydraulic machines.
申请人：GASSERT, WILLY,WIRZ, ERNST
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