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发明名称
Weeder tooth and mount
摘要
申请公布号
US1840899(A)
申请公布日期
1932.01.12
申请号
US19300489419
申请日期
1930.10.17
申请人
HALL SAMUEL L
发明人
HALL SAMUEL L.
分类号
A01B23/02
主分类号
A01B23/02
代理机构
代理人
主权项
地址
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