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经营范围
发明名称
Plow
摘要
申请公布号
US1948961(A)
申请公布日期
1934.02.27
申请号
US19310563857
申请日期
1931.09.19
申请人
EDNA RIFFE
发明人
DAVIS ENOCH A.
分类号
A01B63/16
主分类号
A01B63/16
代理机构
代理人
主权项
地址
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