Perfectionnement aux machines à dresser, à galets hyperboliques,申请号FRD918529-传众专利搜索

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发明名称	Perfectionnement aux machines à dresser, à galets hyperboliques
摘要
申请公布号	FR918529(A)	申请公布日期	1947.02.11
申请号	FRD918529	申请日期	1945.08.13
申请人	LOUVROIL-MONTBARD-AULNOYE	发明人
分类号	B21D3/04	主分类号	B21D3/04
代理机构		代理人
主权项
地址

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