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发明名称
BROENNVERKTOEY FOR NEDFOERING OG MONTERING AV EN AVTETNINGSINNRETNING I ET BROENNHODE
摘要
申请公布号
NO146817(C)
申请公布日期
1982.12.15
申请号
NO19760000027
申请日期
1976.01.05
申请人
FMC CORP,
发明人
THUSE, ERIK,
分类号
E21B33/043;(IPC1-7):E21B23/06
主分类号
E21B33/043
代理机构
代理人
主权项
地址
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