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发明名称
Apparatus for soil preparation
摘要
申请公布号
US2785613(A)
申请公布日期
1957.03.19
申请号
US19540423075
申请日期
1954.04.14
申请人
STAATS SR LOUIS T
发明人
SR. LOUIS T. STAATS,
分类号
A01B77/00
主分类号
A01B77/00
代理机构
代理人
主权项
地址
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