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发明名称
An improved rope truss device for supporting the roof of the underground mines
摘要
申请公布号
IN174855(B)
申请公布日期
1995.03.25
申请号
IN1989DE85119
申请日期
1990.12.24
申请人
COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH
发明人
RAJU NADIMPALI MURTHY;SINGH BHAGWANT;MISHRA BIDYA NAND;VENKATESWARLU VELLANKY;SAHU RAMA
分类号
E21D20/00;E21D20/02;E21D23/00;(IPC1-7):E21D20/00
主分类号
E21D20/00
代理机构
代理人
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