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发明名称
Rake
摘要
申请公布号
US1983596(A)
申请公布日期
1934.12.11
申请号
US19330669217
申请日期
1933.05.03
申请人
CARLSON HJALMAR G
发明人
CARLSON HJALMAR G.
分类号
A01D7/08
主分类号
A01D7/08
代理机构
代理人
主权项
地址
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