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发明名称
WEDGE-TYPE ROOF SUPPORT
摘要
申请公布号
SU1052667(A1)
申请公布日期
1983.11.07
申请号
SU19823440421
申请日期
1982.05.18
申请人
GLOVATSKIJ VIKTOR V,SU
发明人
GLOVATSKIJ VIKTOR V,SU
分类号
E21D15/28;(IPC1-7):E21D15/28
主分类号
E21D15/28
代理机构
代理人
主权项
地址
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