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发明名称
ROERELEMENT MED ELEKTRISKE LEDERE
摘要
申请公布号
NO930755(D0)
申请公布日期
1993.03.02
申请号
NO19930000755
申请日期
1993.03.02
申请人
FRAMO DEVELOPMENTS (UK) LIMITED
发明人
MOHN, FRANK
分类号
E21B;E21B17/02;(IPC1-7):E21B/
主分类号
E21B
代理机构
代理人
主权项
地址
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