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经营范围
发明名称
SHIELD SET FOR THICK STEEP COAL BEDS
摘要
申请公布号
SU1250649(A1)
申请公布日期
1986.08.15
申请号
SU19843819589
申请日期
1984.12.06
申请人
VNI PK UGOLNYJ I "KUZNIUI"
发明人
ARSENOV NIKOLAJ S,SU;BORONOV NIKOLAJ N,SU;BORISOV YURIJ E,SU;KUZIN GENNADIJ S,SU;KLOPOV VALENTIN I,SU;EFREMOV VALERIJ G,SU;MOSUNOV YURIJ YA,SU;TUKHEL IVAN A,SU
分类号
E21C27/32
主分类号
E21C27/32
代理机构
代理人
主权项
地址
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