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经营范围
发明名称
ANORDNING VED ROERHAANDTERINGSINNRETNING.
摘要
申请公布号
NO834132(A)
申请公布日期
1985.05.13
申请号
NO19830004132
申请日期
1983.11.11
申请人
MARITIME HYDRAULICS A/S,
发明人
TAMBS, ERLING,
分类号
E21B19/16;E21B19/20;(IPC1-7):E21B/
主分类号
E21B19/16
代理机构
代理人
主权项
地址
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