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发明名称
Digging and sorting machine
摘要
申请公布号
US2447399(A)
申请公布日期
1948.08.17
申请号
US19440525765
申请日期
1944.03.09
申请人
LAWRENCE DEY CHARLES
发明人
DEY CHARLES LAWRENCE
分类号
A01D33/10
主分类号
A01D33/10
代理机构
代理人
主权项
地址
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