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发明名称
APERFEICOAMENTOS EM USINA DE FABRICACAO DE TUBO E PROCESSO PARA UNIR POR MEIO DE SOLDA DE MANEIRA CONTINUA
摘要
申请公布号
BR7309653(D0)
申请公布日期
1974.08.29
申请号
BR19730009653
申请日期
1973.12.10
申请人
TENNECO INC
发明人
WORDEN D
分类号
B23K13/02;B21C37/08;B23K11/087;B23K11/16;B23K13/00;B23K13/04;(IPC1-7):B23K1/16;B23K1/14
主分类号
B23K13/02
代理机构
代理人
主权项
地址
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