A new or improved self closing valve,申请号GB19340019299-传众专利搜索

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发明名称	A new or improved self closing valve
摘要
申请公布号	GB440652(A)	申请公布日期	1935.12.30
申请号	GB19340019299	申请日期	1934.06.29
申请人	GEOFFREY MCCALL;GEORGE KENT LIMITED	发明人
分类号	F16K21/16;G01F13/00;G01F15/00	主分类号	F16K21/16
代理机构		代理人
主权项
地址

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