Improvements in and relating to hydraulic piston valves,申请号GB19420009292-传众专利搜索

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发明名称	Improvements in and relating to hydraulic piston valves
摘要
申请公布号	GB557340(A)	申请公布日期	1943.11.16
申请号	GB19420009292	申请日期	1942.07.04
申请人	JOHN MAURICE TOWLER;FRANK HATHORN TOWLER	发明人
分类号	F16K11/07	主分类号	F16K11/07
代理机构		代理人
主权项
地址

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