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经营范围
发明名称
Проходческая машина
摘要
申请公布号
SU85167(A1)
申请公布日期
1949.11.30
申请号
SU19490396154
申请日期
1949.04.26
申请人
VOROBEV V.I.;GORBACHEV T.F.;KUFAREV F.P.;PATRUSHEV I.S.
发明人
VOROBEV V.I.;GORBACHEV T.F.;KUFAREV F.P.;PATRUSHEV I.S.
分类号
E21C27/22;E21D9/11
主分类号
E21C27/22
代理机构
代理人
主权项
地址
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