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发明名称
Sweep rake
摘要
申请公布号
US2127441(A)
申请公布日期
1938.08.16
申请号
US19360115755
申请日期
1936.12.14
申请人
O. D. HUGHES
发明人
CLARK OTHO A.
分类号
A01D87/08;B65H3/28
主分类号
A01D87/08
代理机构
代理人
主权项
地址
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