Improvements in fabricated valves,申请号GB19490002071-传众专利搜索

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发明名称	Improvements in fabricated valves
摘要
申请公布号	GB662653(A)	申请公布日期	1951.12.12
申请号	GB19490002071	申请日期	1949.01.25
申请人	JOSEPH LESLIE INSHAW	发明人
分类号	F16K15/03	主分类号	F16K15/03
代理机构		代理人
主权项
地址

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