Dispositif pour le laminage de tubes de section triangulaire ou quadrangulaire à partir de tubes de section circulaire,申请号FRD1188572-传众专利搜索

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发明名称	Dispositif pour le laminage de tubes de section triangulaire ou quadrangulaire à partir de tubes de section circulaire
摘要
申请公布号	FR1188572(A)	申请公布日期	1959.09.23
申请号	FRD1188572	申请日期	1957.11.08
申请人	NEUNKIRCHER EISENWERK AKTIENGESELLSCHAFT VORMALS GEBRUEDER STUMM	发明人
分类号	B21B17/14;B21C37/15	主分类号	B21B17/14
代理机构		代理人
主权项
地址

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