Procédé de finissage des dents d'engrenage,申请号FRD952640-传众专利搜索

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发明名称	Procédé de finissage des dents d'engrenage
摘要
申请公布号	FR952640(A)	申请公布日期	1949.11.21
申请号	FRD952640	申请日期	1947.09.02
申请人	NATIONAL BROACH AND MACHINE CO	发明人
分类号	B23F19/06;B23F21/28	主分类号	B23F19/06
代理机构		代理人
主权项
地址

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