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发明名称
Rake
摘要
申请公布号
US2317916(A)
申请公布日期
1943.04.27
申请号
US19420432329
申请日期
1942.02.25
申请人
KALLAL FRANCES L
发明人
KALLAL FRANCES L.
分类号
A01D7/06
主分类号
A01D7/06
代理机构
代理人
主权项
地址
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