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发明名称
Способ и устройство для очистки разреза при дражных разработках золотых россыпей в зимнее время
摘要
申请公布号
SU42004(A1)
申请公布日期
1935.03.31
申请号
SU19340146073
申请日期
1934.04.19
申请人
GORLOV S.P.
发明人
GORLOV S.P.
分类号
E02F5/30
主分类号
E02F5/30
代理机构
代理人
主权项
地址
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