Machines for machining helicoid-shaped pieces,申请号US19540446375-传众专利搜索

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发明名称	Machines for machining helicoid-shaped pieces
摘要
申请公布号	US2875661(A)	申请公布日期	1959.03.03
申请号	US19540446375	申请日期	1954.07.28
申请人	SOCIETE GENERALE DE MECANIQUE ET DE METALLURGIE	发明人	COUDREY JACQUES FOUGERAY DU
分类号	B27C7/00;E21B19/16	主分类号	B27C7/00
代理机构		代理人
主权项
地址

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