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发明名称
HYDRALUISK STYRESYSTEM FOR STYRING AV VERKTOEY I OLJEBROENNER.
摘要
申请公布号
NO853395(A)
申请公布日期
1987.03.02
申请号
NO19850003395
申请日期
1985.08.29
申请人
TU, YOU YI
发明人
TU, YOU YI
分类号
E21B;E21B44/00;(IPC1-7):E21B/
主分类号
E21B
代理机构
代理人
主权项
地址
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