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发明名称
APERFEICOAMENTOS EM PROCESSO E DISPOSITIVO PARA ASSENTAR CONDUTOS EM BAIXO D'AGUA
摘要
申请公布号
BR7700492(A)
申请公布日期
1977.10.04
申请号
BR19770000492
申请日期
1977.01.26
申请人
DORIS C G COMP GENERALE
发明人
LAMY J
分类号
E02D29/09;F16L1/16;(IPC1-7):F16L1/04
主分类号
E02D29/09
代理机构
代理人
主权项
地址
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