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发明名称
Cotton-blocking cultivator
摘要
申请公布号
US1797231(A)
申请公布日期
1931.03.24
申请号
US19290413060
申请日期
1929.12.10
申请人
HERRON JAMES M
发明人
HERRON JAMES M.
分类号
A01B41/04
主分类号
A01B41/04
代理机构
代理人
主权项
地址
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