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经营范围
发明名称
Digging trenches
摘要
申请公布号
GB2136476(A)
申请公布日期
1984.09.19
申请号
GB19830021922
申请日期
1983.08.15
申请人
H B * ZACHRY COMPANY
发明人
EDWARD M * MARTEN
分类号
E02F3/18;E02F3/20;E02F3/24;E02F3/96;E02F5/02;E02F5/08;E02F5/10;E02F5/30;E02F9/02;E02F9/12;E02F9/14;E02F9/28;(IPC1-7):E02F5/02
主分类号
E02F3/18
代理机构
代理人
主权项
地址
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