PROCEDIMENTO E APPARECCHIATURA PER LA PRODUZIONE DI TUBI IN LEGA LEGGERA A DIAMETRO MAGGIORATO A PARTIRE DA TUBI A DIAMETRO INFERIORE.,申请号IT19890022386-传众专利搜索

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发明名称	PROCEDIMENTO E APPARECCHIATURA PER LA PRODUZIONE DI TUBI IN LEGA LEGGERA A DIAMETRO MAGGIORATO A PARTIRE DA TUBI A DIAMETRO INFERIORE.
摘要
申请公布号	IT1236712(B)	申请公布日期	1993.03.26
申请号	IT19890022386	申请日期	1989.11.15
申请人		发明人
分类号	B21D41/02;(IPC1-7):B21C	主分类号	B21D41/02
代理机构		代理人
主权项
地址

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