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发明名称	Seals
摘要
申请公布号	US3074728(A)	申请公布日期	1963.01.22
申请号	US19600076551	申请日期	1960.12.19
申请人	THE DURIRON COMPANY, INC.	发明人	FREED JACOB B.
分类号	F16J15/36	主分类号	F16J15/36
代理机构		代理人
主权项
地址

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