Seal construction,申请号US19410383333-传众专利搜索

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发明名称	Seal construction
摘要
申请公布号	US2269664(A)	申请公布日期	1942.01.13
申请号	US19410383333	申请日期	1941.03.14
申请人	UNITED SPECIALTIES COMPANY	发明人	HALLERBERG THEODORE W.
分类号	F16L23/08	主分类号	F16L23/08
代理机构		代理人
主权项
地址

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