Procédé de fabrication de douilles en métaux durs tels que l'acier,申请号FRD825862-传众专利搜索

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发明名称	Procédé de fabrication de douilles en métaux durs tels que l'acier
摘要
申请公布号	FR825862(A)	申请公布日期	1938.03.16
申请号	FRD825862	申请日期	1937.08.24
申请人		发明人	LUCHAIRE
分类号	B21C23/14	主分类号	B21C23/14
代理机构		代理人
主权项
地址

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