Method of rolling the races of ball bearings,申请号GB19380011377-传众专利搜索

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发明名称	Method of rolling the races of ball bearings
摘要
申请公布号	GB503281(A)	申请公布日期	1939.04.04
申请号	GB19380011377	申请日期	1938.04.13
申请人	ROULEMENTS A BILLES MINIATURES S.-A.	发明人
分类号	B21H1/12	主分类号	B21H1/12
代理机构		代理人
主权项
地址

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