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发明名称
Приспособление для подрезки снизу слоя пропазованной торфяной залежи
摘要
申请公布号
SU25586(A1)
申请公布日期
1932.03.31
申请号
SU19280028203
申请日期
1928.05.25
申请人
ROGOV I.A.
发明人
ROGOV I.A.
分类号
E21C49/00
主分类号
E21C49/00
代理机构
代理人
主权项
地址
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