PROCESSO PARA CURVAMENTO DE PERFIS OCOS DE METAL E DISPOSITIVO PARA REALIZACAO DO PROCESSO,申请号BR19910005493-传众专利搜索

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发明名称	PROCESSO PARA CURVAMENTO DE PERFIS OCOS DE METAL E DISPOSITIVO PARA REALIZACAO DO PROCESSO
摘要
申请公布号	BR9105493(A)	申请公布日期	1992.09.01
申请号	BR19910005493	申请日期	1991.12.18
申请人	WALTER E. SPAETH	发明人	WALTER E. SPAETH
分类号	B21D7/08;B21D9/10;B21D11/22;B21D43/02;(IPC1-7):B21D5/08	主分类号	B21D7/08
代理机构		代理人
主权项
地址

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