Retaining means for rolling mill bearings,申请号US19300441582-传众专利搜索

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发明名称	Retaining means for rolling mill bearings
摘要
申请公布号	US1923782(A)	申请公布日期	1933.08.22
申请号	US19300441582	申请日期	1930.04.04
申请人	MORGAN CONSTRUCTION COMPANY	发明人	GEORGE JEROME R.
分类号	B21B31/07;F16C13/04	主分类号	B21B31/07
代理机构		代理人
主权项
地址

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