Pressure operated collapsible valve,申请号US19490081695-传众专利搜索

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发明名称	Pressure operated collapsible valve
摘要
申请公布号	US2641282(A)	申请公布日期	1953.06.09
申请号	US19490081695	申请日期	1949.03.16
申请人	HAZLETT WILLIAM A	发明人	HAZLETT WILLIAM A.
分类号	F16K7/07	主分类号	F16K7/07
代理机构		代理人
主权项
地址

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