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发明名称
Способ разработки рудных месторождений
摘要
申请公布号
SU80549(A1)
申请公布日期
1948.11.30
申请号
SU19480374141
申请日期
1948.02.07
申请人
IPATOV P.M.
发明人
IPATOV P.M.
分类号
E21C41/22
主分类号
E21C41/22
代理机构
代理人
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地址
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