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经营范围
发明名称
Seed planter and cultivator
摘要
申请公布号
US2213600(A)
申请公布日期
1940.09.03
申请号
US19370154792
申请日期
1937.07.21
申请人
GEORGE WETMORE;FREDERICK ROLL
发明人
WETMORE GEORGE;ROLL FREDERICK
分类号
A01B49/04
主分类号
A01B49/04
代理机构
代理人
主权项
地址
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