Device for sealing an annular space,申请号US19360076164-传众专利搜索

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发明名称	Device for sealing an annular space
摘要
申请公布号	US2145189(A)	申请公布日期	1939.01.24
申请号	US19360076164	申请日期	1936.04.24
申请人	THE B. F. GOODRICH COMPANY	发明人	NATHAN TRACY D.;EAKIN WILLARD D.;BRUCKER FERDINAND F.
分类号	F16L17/035	主分类号	F16L17/035
代理机构		代理人
主权项
地址

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