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发明名称
Attachment for cultivators
摘要
申请公布号
US1854697(A)
申请公布日期
1932.04.19
申请号
US19310560172
申请日期
1931.08.29
申请人
HUTTON CLYDE E
发明人
HUTTON CLYDE E.
分类号
A01B39/04
主分类号
A01B39/04
代理机构
代理人
主权项
地址
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