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发明名称
Floating plow
摘要
申请公布号
US2159867(A)
申请公布日期
1939.05.23
申请号
US19370157592
申请日期
1937.08.05
申请人
SWEARINGER WALTER W
发明人
SWEARINGER WALTER W.
分类号
A01B35/08
主分类号
A01B35/08
代理机构
代理人
主权项
地址
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