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发明名称
COAL-WINNING SET
摘要
申请公布号
SU714005(A1)
申请公布日期
1980.02.05
申请号
SU19772443395
申请日期
1977.01.17
申请人
VNI PK UGOLNYJ INSTITUT
发明人
VAREKHA ZHORZH P,SU;KREJMER EVGENIJ L,SU;KRUPNIK VLADIMIR S,SU;MERTSALOV ROSTISLAV V,SU;MUKUSHEV MAJZHAN M,SU;ORLOV VLADIMIR F,SU;PONOMARENKO VLADIMIR A,SU;SHEMYAKIN VENIAMIN A,SU
分类号
E21C27/00;E21D23/00;(IPC1-7):E21C27/00
主分类号
E21C27/00
代理机构
代理人
主权项
地址
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