Procédé et outil de finissage des vis sans fin,申请号FRD997651-传众专利搜索

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发明名称	Procédé et outil de finissage des vis sans fin
摘要
申请公布号	FR997651(A)	申请公布日期	1952.01.09
申请号	FRD997651	申请日期	1949.10.17
申请人	NATIONAL BROACH AND MACHINE CO	发明人
分类号	B23F19/04	主分类号	B23F19/04
代理机构		代理人
主权项
地址

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