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发明名称
Weeding implement
摘要
申请公布号
US2288957(A)
申请公布日期
1942.07.07
申请号
US19410407046
申请日期
1941.08.15
申请人
GEORGE SAND JOHN
发明人
SAND JOHN GEORGE
分类号
A01B1/18
主分类号
A01B1/18
代理机构
代理人
主权项
地址
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