Ball bearing,申请号US19390268557-传众专利搜索

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法人/股东/高管

发明名称	Ball bearing
摘要
申请公布号	US2302742(A)	申请公布日期	1942.11.24
申请号	US19390268557	申请日期	1939.04.18
申请人	CRISE GEORGE W	发明人	CRISE GEORGE W.
分类号	F16C25/08	主分类号	F16C25/08
代理机构		代理人
主权项
地址

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