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发明名称
Rake
摘要
申请公布号
US1936800(A)
申请公布日期
1933.11.28
申请号
US19320602510
申请日期
1932.04.01
申请人
DAVID GEORGE CORBETT
发明人
MOORK ALFRED C.
分类号
A01D7/10
主分类号
A01D7/10
代理机构
代理人
主权项
地址
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