Self discharging base bearing centrifugal,申请号US19560601777-传众专利搜索

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发明名称	Self discharging base bearing centrifugal
摘要
申请公布号	US2889930(A)	申请公布日期	1959.06.09
申请号	US19560601777	申请日期	1956.08.02
申请人	THOLL DAVID M;SORENSEN NIELS J	发明人	THOLL DAVID M.;SORENSEN NIELS J.
分类号	B04B11/05	主分类号	B04B11/05
代理机构		代理人
主权项
地址

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