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发明名称
Tilling apparatus
摘要
申请公布号
US2286592(A)
申请公布日期
1942.06.16
申请号
US19410407466
申请日期
1941.08.19
申请人
WALLACE JOHN J
发明人
WALLACE JOHN J.
分类号
A01B33/12
主分类号
A01B33/12
代理机构
代理人
主权项
地址
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