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发明名称
FILLING A HOLE IN THE GROUND
摘要
申请公布号
AU524791(B2)
申请公布日期
1982.10.07
申请号
AU19780041773
申请日期
1978.11.21
申请人
BALFOUR BEATTY LTD.
发明人
JAMES MILNE
分类号
E01C7/14;E01C7/30;E01C23/06;E02D27/42;E04G23/02;(IPC1-7):E01C23/09
主分类号
E01C7/14
代理机构
代理人
主权项
地址
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