Pressure seal for flange connection,申请号US19390291144-传众专利搜索

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发明名称	Pressure seal for flange connection
摘要
申请公布号	US2246600(A)	申请公布日期	1941.06.24
申请号	US19390291144	申请日期	1939.08.21
申请人	CAMERON IRON WORKS	发明人	PUTNAM PAUL T.;WORKS MADDEN T.
分类号	F16L23/16	主分类号	F16L23/16
代理机构		代理人
主权项
地址

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