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发明名称
摘要
申请公布号
SU365971(A1)
申请公布日期
1973.01.16
申请号
SU19701416557
申请日期
1970.03.20
申请人
发明人
分类号
A01D23/04;(IPC1-7):A01D23/04
主分类号
A01D23/04
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代理人
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地址
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