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经营范围
发明名称
BORETAARN.
摘要
申请公布号
NO159813(B)
申请公布日期
1988.10.31
申请号
NO19850002691
申请日期
1985.07.04
申请人
MARITIME HYDRAULICS AS
发明人
SWISHER ROGER C;FLOBAK JENS OLAV;EILERTSEN BJOERN;JAKOBSEN NIKOLAI;GABRIELSEN JONNY
分类号
E21B;E21B15/00;E21B19/08;(IPC1-7):E21B15/00
主分类号
E21B
代理机构
代理人
主权项
地址
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