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发明名称
UN APARATO MEJORADO PARA EXCAVAR UNA ZANJA DEBAJO DE UNA TUBERIA INSTALADA EN EL FONDO DEL MAR
摘要
申请公布号
MX151644(A)
申请公布日期
1985.01.25
申请号
MX19790178700
申请日期
1979.07.31
申请人
NEDERLANDSE OFFSHORE CO
发明人
PAUL MARTIN HOFMEESTER
分类号
E02F3/24;E02F5/08;E02F5/10;E02F9/02;(IPC1-7):F16L1/04
主分类号
E02F3/24
代理机构
代理人
主权项
地址
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