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发明名称
METHOD OF DUST SUPPRESSION AT STOPING FACE
摘要
申请公布号
SU700660(A1)
申请公布日期
1979.11.30
申请号
SU19762408475
申请日期
1976.10.04
申请人
PODMOSKOVNYJ G PK EXI GORNOGO MASHINOSTROENIYA
发明人
DIVIN OLEG ,SU;OREKHOV IVAN S,SU;KAPYRIN VLADIMIR ,SU
分类号
E21F5/02;(IPC1-7):E21F5/02
主分类号
E21F5/02
代理机构
代理人
主权项
地址
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