An improved safety cut-off valve for oil pipe lines,申请号GB19480006225-传众专利搜索

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发明名称	An improved safety cut-off valve for oil pipe lines
摘要
申请公布号	GB651984(A)	申请公布日期	1951.04.11
申请号	GB19480006225	申请日期	1948.02.28
申请人	CYRIL HENRY MIDDUP;TOM GEORGE HARDY MIDDLETON	发明人
分类号	F16K17/38	主分类号	F16K17/38
代理机构		代理人
主权项
地址

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