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经营范围
发明名称
Digging machine
摘要
申请公布号
US3097703(A)
申请公布日期
1963.07.16
申请号
US19610142875
申请日期
1961.10.04
申请人
HAROLD ALVIK
发明人
ALVIK HAROLD
分类号
A01B23/06;A01B33/06
主分类号
A01B23/06
代理机构
代理人
主权项
地址
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