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发明名称
FREMGANGSMAATE OG KONSTRUKSJON TIL OMSLUTNING AV EN BORERIGG ELLER LIKNENDE PAA SJOEEN.
摘要
申请公布号
NO149703(B)
申请公布日期
1984.02.27
申请号
NO19810001493
申请日期
1981.05.04
申请人
KNUTSEN, EINAR,
发明人
KNUTSEN, EINAR,
分类号
E02B;E02B3/06;E02B15/04;(IPC1-7):E02B15/04
主分类号
E02B
代理机构
代理人
主权项
地址
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