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发明名称
CHAVE INGLESA PARA TUBOS
摘要
申请公布号
BR9002762(A)
申请公布日期
1991.12.17
申请号
BR1990PI02762
申请日期
1990.06.12
申请人
W.T.C. WORLD TRADE CONSULTING AB
发明人
CHAO-YANG CHEN
分类号
B25B13/22;(IPC1-7):B25B13/22
主分类号
B25B13/22
代理机构
代理人
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