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发明名称
Automatic resetting mechanism for weeders
摘要
申请公布号
US1775244(A)
申请公布日期
1930.09.09
申请号
US19270227924
申请日期
1927.10.22
申请人
KEY WEEDER COMPANY
发明人
KEY CLAUDE L.
分类号
A01B63/26
主分类号
A01B63/26
代理机构
代理人
主权项
地址
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