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发明名称
PRESSURE INDICATOR FOR HYDRAULIC MINE ROOF SUPPORTS
摘要
申请公布号
SU848677(A2)
申请公布日期
1981.07.23
申请号
SU19792843593
申请日期
1979.11.22
申请人
REVOLYUTSII I GORNOGO DELA IM.A.A.SKOCHINSKOGO
发明人
SAMOKHVALOV YURIJ L,SU;SASOV VLADIMIR V,SU;POGORELOV VLADIMIR P,SU
分类号
E21D23/16;(IPC1-7):E21D23/16
主分类号
E21D23/16
代理机构
代理人
主权项
地址
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