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经营范围
发明名称
Combined planter and fertilizer dropper
摘要
申请公布号
US2217071(A)
申请公布日期
1940.10.08
申请号
US19390253028
申请日期
1939.01.27
申请人
MILLIMAN ELWOOD W
发明人
MILLIMAN ELWOOD W.
分类号
A01C7/02;A01C7/06
主分类号
A01C7/02
代理机构
代理人
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