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发明名称
Weed guard
摘要
申请公布号
US2959069(A)
申请公布日期
1960.11.08
申请号
US19570705010
申请日期
1957.12.24
申请人
VOLHARD FERDINAND F
发明人
VOLHARD FERDINAND F.
分类号
A01B71/08
主分类号
A01B71/08
代理机构
代理人
主权项
地址
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