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发明名称
A trenching method and apparatus
摘要
申请公布号
GB2159192(A)
申请公布日期
1985.11.27
申请号
GB19840013325
申请日期
1984.05.24
申请人
ARTHUR * JONES
发明人
ARTHUR * JONES
分类号
E02F3/18;E02F3/20;E02F5/02;E02F5/12;(IPC1-7):E02F5/02
主分类号
E02F3/18
代理机构
代理人
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