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发明名称
Digger apparatus
摘要
申请公布号
US2703044(A)
申请公布日期
1955.03.01
申请号
US19490070976
申请日期
1949.01.14
申请人
ADAIR CHARLES R
发明人
ADAIR CHARLES R.
分类号
A01B13/08;E02F5/02
主分类号
A01B13/08
代理机构
代理人
主权项
地址
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