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发明名称
ROOF BOLT
摘要
申请公布号
SU1073471(A1)
申请公布日期
1984.02.15
申请号
SU19823506939
申请日期
1982.10.28
申请人
STEPANISHCHEV OLEG N,SU;UK SERGEJ V,SU
发明人
STEPANISHCHEV OLEG N,SU;UKRAINSKIJ SERGEJ V,SU
分类号
E21D21/00;(IPC1-7):E21D21/00
主分类号
E21D21/00
代理机构
代理人
主权项
地址
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