METAL WORKING : ROLLING.,申请号IED12140-传众专利搜索

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发明名称	METAL WORKING : ROLLING.
摘要
申请公布号	IE12140(L)	申请公布日期	1931.06.19
申请号	IED12140	申请日期	1930.10.23
申请人	HUGO SEIFERTH.	发明人
分类号	B21B1/00;(IPC1-7):B21B1/00	主分类号	B21B1/00
代理机构		代理人
主权项
地址

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