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发明名称
ROCK BOLT
摘要
申请公布号
EP0064362(B1)
申请公布日期
1987.07.22
申请号
EP19820302048
申请日期
1982.04.21
申请人
NESTE OY
发明人
KALLIO, TAPIO;KORHONEN, TAUNO;LEIVISKA, VEIKKO;PULKKINEN, JORMA;SALO, KALEVI
分类号
E21D21/00;E21D20/00;(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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