Improvements relating to diaphragm pumps,申请号GB19550011013-传众专利搜索

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发明名称	Improvements relating to diaphragm pumps
摘要
申请公布号	GB786290(A)	申请公布日期	1957.11.13
申请号	GB19550011013	申请日期	1955.04.16
申请人	WILLIAM R. SELWOOD LIMITED	发明人	SELWOOD WILLIAM RICHARD
分类号	F04B43/00	主分类号	F04B43/00
代理机构		代理人
主权项
地址

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