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发明名称
FREMGANGSMAADE OG APPARAT TIL MAALING AF AFVIGELSEN MELLEM FLUIDUMFYLDTE BOREHULLERS VIRKELIGE LODRETTE MIDTERAKSE OG TEORETISKE MIDTERAKSE
摘要
申请公布号
DK573778(A)
申请公布日期
1980.05.30
申请号
DK19780005737
申请日期
1978.12.21
申请人
COMAR REG.TRUST
发明人
MIOTTI G
分类号
E21B47/022;(IPC1-7):E21B/
主分类号
E21B47/022
代理机构
代理人
主权项
地址
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