Pressure responsive distortable o-ring type waterproof seal,申请号US19550503839-传众专利搜索

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发明名称	Pressure responsive distortable o-ring type waterproof seal
摘要
申请公布号	US2822196(A)	申请公布日期	1958.02.04
申请号	US19550503839	申请日期	1955.04.25
申请人	CANFIELD EARL L	发明人	CANFIELD EARL L.
分类号	F16J15/32	主分类号	F16J15/32
代理机构		代理人
主权项
地址

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