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发明名称
Рабочий орган кротодренажной машины
摘要
申请公布号
SU59548(A1)
申请公布日期
1940.11.30
申请号
SU19400001499
申请日期
1940.01.26
申请人
RIDIGER V.F.
发明人
RIDIGER V.F.
分类号
E02B11/02
主分类号
E02B11/02
代理机构
代理人
主权项
地址
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