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发明名称
DRIFTING SHIELD
摘要
申请公布号
SU579428(A1)
申请公布日期
1977.11.05
申请号
SU19752188069
申请日期
1975.11.05
申请人
UK NI PK I PODZEMNOJ GIDRAVLICHESKOJ DOBYCHI UGLYA "UKRNIIGIDROUGOL"
发明人
TOLOK VASILIJ M,SU;KRUPIN NIKOLAJ N,SU;DROMIDONTOV YURIJ M,SU;STEFANOVICH VLADIMIR A,SU;IVANENKO IVAN ,SU
分类号
E21D13/04;(IPC1-7):E21D13/04
主分类号
E21D13/04
代理机构
代理人
主权项
地址
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