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经营范围
发明名称
Cultivator
摘要
申请公布号
US2177026(A)
申请公布日期
1939.10.24
申请号
US19380237998
申请日期
1938.10.31
申请人
BERT NIGHTENHELSER;JULIUS BALLARD
发明人
NIGHTENHELSER BERT;BALLARD JULIUS
分类号
A01B33/08;A01B39/08;A01B63/04
主分类号
A01B33/08
代理机构
代理人
主权项
地址
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