Ring rolling mill,申请号US19350006475-传众专利搜索

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发明名称	Ring rolling mill
摘要
申请公布号	US2049202(A)	申请公布日期	1936.07.28
申请号	US19350006475	申请日期	1935.02.14
申请人	THE FIRM "RINGFEDER" GESELLSCHAFT MIT BESCHRANKTER HAFTUNG	发明人	EDELMEIER HANS
分类号	B21H1/06	主分类号	B21H1/06
代理机构		代理人
主权项
地址

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