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发明名称
PERFECTIONNEMENTS APPORTES A LA MISE EN PLACE DE CANALISATIONS ENTERREES
摘要
申请公布号
BE863355(A1)
申请公布日期
1978.07.26
申请号
BE19780184662
申请日期
1978.01.26
申请人
SOLETANCHE
发明人
分类号
F16L1/024;E02B9/06;E02B11/00;E02D29/05;E02F5/10;E03F3/06;F16L1/028;F16L1/038;H02G9/06;(IPC1-7):E02D/
主分类号
F16L1/024
代理机构
代理人
主权项
地址
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