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发明名称
FREMGANGSMAATE VED BORING AV HULL OG KJERNEBOR MED SLIKT FORMAAL.
摘要
申请公布号
NO154870(C)
申请公布日期
1987.01.07
申请号
NO19850003942
申请日期
1985.10.04
申请人
OESTERMAN BROR ERIK
发明人
OESTERMAN BROR ERIK
分类号
B28B1/14;B28D1/04;B28D1/14;E21B10/02;E21B21/00;E21B21/02;E21B25/00;(IPC1-7):B28D1/14;E21C7/08
主分类号
B28B1/14
代理机构
代理人
主权项
地址
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