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经营范围
发明名称
Plow
摘要
申请公布号
US2195631(A)
申请公布日期
1940.04.02
申请号
US19370156716
申请日期
1937.07.31
申请人
POST NORMAN R;POST CHARLES R
发明人
POST NORMAN R.;POST CHARLES R.
分类号
A01B3/26
主分类号
A01B3/26
代理机构
代理人
主权项
地址
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