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经营范围
发明名称
Land leveling machine
摘要
申请公布号
US2254414(A)
申请公布日期
1941.09.02
申请号
US19410383708
申请日期
1941.03.17
申请人
ROBERT BOWLIN
发明人
BOWLIN ROBERT
分类号
A01B31/00
主分类号
A01B31/00
代理机构
代理人
主权项
地址
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