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发明名称
FREMGANGSMAATE FOR BEGRENSNING AV DEFORMASJONER I BERGFORMASJONEN OMKRING ET FJELLROM MED INNVENDIG KLEDNING/UTFORING
摘要
申请公布号
NO864451(A)
申请公布日期
1988.05.09
申请号
NO19860004451
申请日期
1986.11.07
申请人
BERDAL OFFSHORE A/S
发明人
ROALD, STEINAR;HUBERTZ, TROND
分类号
E21D;(IPC1-7):E21D/
主分类号
E21D
代理机构
代理人
主权项
地址
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