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经营范围
发明名称
TEMPORARY SUPPORT FOR PREPARATORY MINING
摘要
申请公布号
SU757719(A1)
申请公布日期
1980.08.23
申请号
SU19782631962
申请日期
1978.06.21
申请人
PODMOSKOVNYJ NI PK UGOLNYJ INSTITUT
发明人
KARASEV FEDOR A,SU;MANAKOV VLADIMIR M,SU;KZ YURIJ V,SU;SMIRNOV LEONID N,SU;SHCHERBAKOV ANATOLIJ D,SU;KONYAKHIN YURIJ N,SU
分类号
E21D11/14;(IPC1-7):E21D11/14
主分类号
E21D11/14
代理机构
代理人
主权项
地址
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