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发明名称
Предплужник
摘要
申请公布号
SU49550(A1)
申请公布日期
1936.08.31
申请号
SU19350169153
申请日期
1935.05.11
申请人
USOVSKIJ B.N.
发明人
USOVSKIJ B.N.
分类号
A01B15/18
主分类号
A01B15/18
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代理人
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