System of lapping taper rollers,申请号US19310546199-传众专利搜索

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发明名称	System of lapping taper rollers
摘要
申请公布号	US1873647(A)	申请公布日期	1932.08.23
申请号	US19310546199	申请日期	1931.06.23
申请人	HOKE WILLIAM E	发明人	HOKE WILLIAM E.
分类号	B24B5/24	主分类号	B24B5/24
代理机构		代理人
主权项
地址

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