METHOD FOR MANUFACTURING RIM HOLES IN SHEET METAL BLANKS,申请号EP19890119463-传众专利搜索

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发明名称	METHOD FOR MANUFACTURING RIM HOLES IN SHEET METAL BLANKS
摘要
申请公布号	EP0379649(B1)	申请公布日期	1993.08.25
申请号	EP19890119463	申请日期	1989.10.20
申请人	GRIESEMER, ALBERT	发明人	GRIESEMER, ALBERT
分类号	B21D22/04;B21D31/00;B21D53/00	主分类号	B21D22/04
代理机构		代理人
主权项
地址

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