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经营范围
发明名称
Planting machine
摘要
申请公布号
US1851196(A)
申请公布日期
1932.03.29
申请号
US19310541349
申请日期
1931.06.01
申请人
LEWIS WILLIAM G
发明人
LEWIS WILLIAM G.
分类号
A01C7/18
主分类号
A01C7/18
代理机构
代理人
主权项
地址
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