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经营范围
发明名称
Устройство для бетонирования шахтных стволов
摘要
申请公布号
SU150461(A1)
申请公布日期
1961.11.30
申请号
SU19610697747
申请日期
1961.02.15
申请人
发明人
DUDUEV P.S.;KARTOZIYA A.T.;KRAVTSOV E.P.;LITVIN A.Z.;MUSAELYAN A.D.;SHAPIRO A.I.
分类号
E21D5/04
主分类号
E21D5/04
代理机构
代理人
主权项
地址
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