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发明名称
A DEVICE FOR DIGGING A GROOVE AND PLACING CABLE TROUGHS WITHIN IT
摘要
申请公布号
PL262442(A1)
申请公布日期
1988.09.01
申请号
PL19860262442
申请日期
1986.11.17
申请人
发明人
分类号
E02B;E02F;E02F5/02;H02G;H02G1/06;(IPC1-7):E02F/;E02B/;H02G/
主分类号
E02B
代理机构
代理人
主权项
地址
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