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经营范围
发明名称
Cultivator
摘要
申请公布号
US2131659(A)
申请公布日期
1938.09.27
申请号
US19370157026
申请日期
1937.08.02
申请人
HARDY WILLIAM R
发明人
HARDY WILLIAM R.
分类号
A01B39/02
主分类号
A01B39/02
代理机构
代理人
主权项
地址
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