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经营范围
发明名称
COAL MINING METHOD
摘要
申请公布号
SU1452994(A1)
申请公布日期
1989.01.23
申请号
SU19864163098
申请日期
1986.12.18
申请人
VNI PK UGOLNYJ I "KNIUI"
发明人
SAMUSEV VLADIMIR F,SU;KIM OLGERD V,SU;ORLOV VLADIMIR F,SU;BAJMUKHAMETOV SERGAZY K,SU;PONOMAREV BORIS YA,SU;SUDARIKOV EVGENIJ A,SU;AVGUST BORIS B,SU
分类号
E21C41/18
主分类号
E21C41/18
代理机构
代理人
主权项
地址
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