Perfectionnement au perçage à chaud des métaux,申请号FRD1043869-传众专利搜索

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发明名称	Perfectionnement au perçage à chaud des métaux
摘要
申请公布号	FR1043869(A)	申请公布日期	1953.11.12
申请号	FRD1043869	申请日期	1951.10.15
申请人	COMPTOIR INDUSTRIEL D'ETIRAGE & PROFILAGE DE METAUX	发明人
分类号	B21C23/32;B21J9/04	主分类号	B21C23/32
代理机构		代理人
主权项
地址

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