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发明名称
HYDRAULIC PROP OF MINING ROOF SUPPORT
摘要
申请公布号
SU1046530(A1)
申请公布日期
1983.10.07
申请号
SU19813362987
申请日期
1981.12.09
申请人
TULSKIJ POLT INSTITUT
发明人
NIKULIN KONSTANTIN K,SU;KHARITONOV NIKOLAJ I,SU;SALNIKOV VYACHESLAV G,SU
分类号
E21D15/44;(IPC1-7):E21D15/44
主分类号
E21D15/44
代理机构
代理人
主权项
地址
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