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经营范围
发明名称
Land leveling machine
摘要
申请公布号
US2459591(A)
申请公布日期
1949.01.18
申请号
US19470728648
申请日期
1947.02.14
申请人
EVERSMAN MFG. CO.
发明人
SHUMAKER LAWRENCE E.;DAVIS HAROLD G.
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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