,申请号FR19740017687-传众专利搜索

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发明名称
摘要
申请公布号	FR2230430(A1)	申请公布日期	1974.12.20
申请号	FR19740017687	申请日期	1974.05.21
申请人	WEAN UNITED INC,US	发明人
分类号	B21C25/02;B21C23/21;B21C35/04;B21C35/06;B21D43/16;(IPC1-7):B21C25/00	主分类号	B21C25/02
代理机构		代理人
主权项
地址

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