Improvements in or relating to shut-off valves,申请号GB19520028676-传众专利搜索

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发明名称	Improvements in or relating to shut-off valves
摘要
申请公布号	GB729069(A)	申请公布日期	1955.05.04
申请号	GB19520028676	申请日期	1952.11.13
申请人	FRIEDRICH STUBBE	发明人
分类号	F16K3/28	主分类号	F16K3/28
代理机构		代理人
主权项
地址

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