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经营范围
发明名称
Back filling of trenches
摘要
申请公布号
GB2116605(A)
申请公布日期
1983.09.28
申请号
GB19830002636
申请日期
1983.01.31
申请人
KENNETH ROGER * TUCKWELL
发明人
KENNETH ROGER * TUCKWELL
分类号
E02F3/76;E02F5/22;(IPC1-7):E02F5/22
主分类号
E02F3/76
代理机构
代理人
主权项
地址
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