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发明名称
METHOD OF MINING THICK GENTLY SLOPING COAL BEDS
摘要
申请公布号
SU576411(A1)
申请公布日期
1977.10.15
申请号
SU19742023305
申请日期
1974.05.15
申请人
VNI UGOLNYJ INSTITUT
发明人
DRIZHD NIKOLAJ A,SU;VAREKHA ZHORZH P,SU;SHOROKH MAKSIM M,SU;KIZILOV NIKOLAJ P,SU;ISPAEV IZDULEJ A,SU;NOVIKOV VLADIMIR YA,SU;AKANOV BERLIK A,SU;YARTSEV GENNADIJ M,SU
分类号
(IPC1-7):E21C41/04
主分类号
(IPC1-7):E21C41/04
代理机构
代理人
主权项
地址
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