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发明名称
FREMGANGSMAATE TIL OMLASTING AV MASSE I TUNNELER OG BERGROM, SAMT ANORDNINGER TIL UTFOERELSE AV FREMGANGSMAATEN
摘要
申请公布号
NO811139(A)
申请公布日期
1982.10.04
申请号
NO19810001139
申请日期
1981.04.02
申请人
KOLLANDSRUD, PER,
发明人
KOLLANDSRUD, PER,
分类号
E21D9/12;(IPC1-7):E21D/
主分类号
E21D9/12
代理机构
代理人
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地址
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