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发明名称
Weeding tool
摘要
申请公布号
US2901280(A)
申请公布日期
1959.08.25
申请号
US19570692062
申请日期
1957.10.24
申请人
HALL CHAUNCEY A
发明人
HALL CHAUNCEY A.
分类号
A01B1/16
主分类号
A01B1/16
代理机构
代理人
主权项
地址
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