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发明名称
Improvements in threshing machines
摘要
申请公布号
GB352887(A)
申请公布日期
1931.07.16
申请号
GB19300037593
申请日期
1930.12.12
申请人
WILHELM SCHULZE
发明人
分类号
A01F12/40
主分类号
A01F12/40
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代理人
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