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发明名称
Способ разработки тонких жильных месторождении золота, олова и других металлов
摘要
申请公布号
SU51723(A1)
申请公布日期
1936.11.30
申请号
SUD51723
申请日期
1936.10.23
申请人
MERTSALOV V.N.
发明人
MERTSALOV V.N.
分类号
E21C41/22
主分类号
E21C41/22
代理机构
代理人
主权项
地址
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