Dispositif de calibrage pour pièces matricées, obtenu par déformation centripète du métal,申请号FRD1178516-传众专利搜索

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发明名称	Dispositif de calibrage pour pièces matricées, obtenu par déformation centripète du métal
摘要
申请公布号	FR1178516(A)	申请公布日期	1959.05.12
申请号	FRD1178516	申请日期	1957.06.04
申请人		发明人	LOUIS ROBERT
分类号	B21D22/02;B21D53/16	主分类号	B21D22/02
代理机构		代理人
主权项
地址

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