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发明名称
Attachment to cultivating machines
摘要
申请公布号
US1870850(A)
申请公布日期
1932.08.09
申请号
US19280312120
申请日期
1928.10.12
申请人
HORTON WILLIAM J
发明人
HORTON WILLIAM J.
分类号
A01B35/22
主分类号
A01B35/22
代理机构
代理人
主权项
地址
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