PROCEDIMENTO ED APPARATO PER PRODURRE CORPI TUBOLARI ARCUATI,LA COI SEZIONE TRASVERSALE SI RESTRINGE PROGRESSIVAMENTE DA UN'ESTREMITA'ALL'ALTRA,申请号IT19790023261-传众专利搜索

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发明名称	PROCEDIMENTO ED APPARATO PER PRODURRE CORPI TUBOLARI ARCUATI,LA COI SEZIONE TRASVERSALE SI RESTRINGE PROGRESSIVAMENTE DA UN'ESTREMITA'ALL'ALTRA
摘要
申请公布号	IT1121249(B)	申请公布日期	1986.03.26
申请号	IT19790023261	申请日期	1979.06.04
申请人	ROHRBOGENWERK H. SIEKMANN GMBH & CO.	发明人
分类号	B21D9/12;(IPC1-7):B21D/	主分类号	B21D9/12
代理机构		代理人
主权项
地址

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