Demand type oxygen valve,申请号US19620239955-传众专利搜索

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发明名称	Demand type oxygen valve
摘要
申请公布号	US3276462(A)	申请公布日期	1966.10.04
申请号	US19620239955	申请日期	1962.11.26
申请人	MATCHETT JOHN C	发明人	MATCHETT JOHN C.
分类号	A61M16/20	主分类号	A61M16/20
代理机构		代理人
主权项
地址

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