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发明名称
DIGGING TRENCHES AND LAYING UNDERGROUND CONDUITS THEREALONG
摘要
申请公布号
GB1596936(A)
申请公布日期
1981.09.03
申请号
GB19780002085
申请日期
1978.01.18
申请人
SOLETANCHE
发明人
分类号
F16L1/024;E02B9/06;E02B11/00;E02D29/05;E02F5/10;E03B7/02;E03F3/06;F16L1/028;F16L1/038;H02G9/06;(IPC1-7):F16L1/02
主分类号
F16L1/024
代理机构
代理人
主权项
地址
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