PROCESSO PARA A FABRICACAO DE TUBOS METALICOS DE DUAS CAMADAS, SOLDADOS, E UMA INSTALACAO PARA A RELIZACAO DO PROCESSO,申请号BR19810001851-传众专利搜索

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发明名称	PROCESSO PARA A FABRICACAO DE TUBOS METALICOS DE DUAS CAMADAS, SOLDADOS, E UMA INSTALACAO PARA A RELIZACAO DO PROCESSO
摘要
申请公布号	BR8101851(A)	申请公布日期	1981.09.29
申请号	BR19810001851	申请日期	1981.03.27
申请人	WEISS H	发明人	WEISS H
分类号	B21C37/06;B23K1/00;B23K1/002;B23K3/04;B23K31/02;F16L9/17;(IPC1-7):B21C37/08;B23K31/06	主分类号	B21C37/06
代理机构		代理人
主权项
地址

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