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发明名称
Rake
摘要
申请公布号
US2130828(A)
申请公布日期
1938.09.20
申请号
US19350041114
申请日期
1935.09.18
申请人
GUNNAR OSTBERG
发明人
SUNDQVIST GUSTAV OSKAR
分类号
A01D7/06
主分类号
A01D7/06
代理机构
代理人
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