Perfectionnements aux méthodes d'usinage par étincelles,申请号FRD1145890-传众专利搜索

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发明名称	Perfectionnements aux méthodes d'usinage par étincelles
摘要
申请公布号	FR1145890(A)	申请公布日期	1957.10.30
申请号	FRD1145890	申请日期	1956.03.20
申请人	LA SOUDURE ELECTRIQUE LANGUEPIN	发明人	BOBOT FERNAND
分类号	B23H7/18	主分类号	B23H7/18
代理机构		代理人
主权项
地址

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