An improved valve,申请号GB19530030442-传众专利搜索

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发明名称	An improved valve
摘要
申请公布号	GB753517(A)	申请公布日期	1956.07.25
申请号	GB19530030442	申请日期	1953.11.04
申请人	DAVID F. WISEMAN & SONS LIMITED;FRANK EDWARD SWAIN	发明人	SWAIN FRANK EDWARD
分类号	F16K5/16	主分类号	F16K5/16
代理机构		代理人
主权项
地址

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