Improvements in gate valves,申请号GB19520005792-传众专利搜索

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发明名称	Improvements in gate valves
摘要
申请公布号	GB714873(A)	申请公布日期	1954.09.01
申请号	GB19520005792	申请日期	1952.03.05
申请人	CRANE CO.	发明人	FENNEMA RICHARD;ANDERSON ANDREW EWALD;KRUEGER WALTER LOUIS
分类号	F16K3/18	主分类号	F16K3/18
代理机构		代理人
主权项
地址

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