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发明名称
Rake
摘要
申请公布号
US1910371(A)
申请公布日期
1933.05.23
申请号
US19300453604
申请日期
1930.05.19
申请人
THIEMANN WILLIAM B
发明人
THIEMANN WILLIAM B.
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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