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发明名称
Ekspansjonsverktöy for deling av steinblokker
摘要
申请公布号
NO951623(D0)
申请公布日期
1995.04.27
申请号
NO19950001623
申请日期
1995.04.27
申请人
KOLLANDSRUD, PER
发明人
KOLLANDSRUD, PER
分类号
E21C;(IPC1-7):E21C
主分类号
E21C
代理机构
代理人
主权项
地址
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