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发明名称
BROENNBOREUTSTYR.
摘要
申请公布号
NO155553(B)
申请公布日期
1987.01.05
申请号
NO19850005247
申请日期
1985.12.23
申请人
MARITIME HYDRAULICS AS
发明人
SKEIE BJARNE
分类号
E21B;E21B3/06;E21B19/02;(IPC1-7):E21B3/06
主分类号
E21B
代理机构
代理人
主权项
地址
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