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经营范围
发明名称
COAL SAW
摘要
申请公布号
SU1145131(A1)
申请公布日期
1985.03.15
申请号
SU19823526961
申请日期
1982.12.22
申请人
DO NI UGOLNYJ INSTITUT
发明人
ATABEKOV VLADIMIR A,SU;BATYGIN STANISLAV P,SU;OSTAPENKO ALEKSANDR F,SU
分类号
E21C25/20;(IPC1-7):E21C25/20
主分类号
E21C25/20
代理机构
代理人
主权项
地址
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