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发明名称
(B C) ;FREMGANGSMAATE OG INNRETNING FOR BESTEMMELSE OMBORD PAA ET FLYTENDE FARTOEY AV STROEMNINGSHASTIGHETEN AV BOREFLUIDUM FRA ET BROENNHULL OG INN I ET MELLOM BROENNHULLET OG FARTOEYET ANORDNET STIGEROER
摘要
申请公布号
NO763115(A)
申请公布日期
1977.03.15
申请号
NO19760003115
申请日期
1976.09.10
申请人
OFFSHORE COMPANY THE
发明人
MAUS L D;BARTON C E
分类号
E21B7/132;E21B7/128;E21B19/09;E21B21/00;E21B21/08;E21B44/00;(IPC1-7):E21B/
主分类号
E21B7/132
代理机构
代理人
主权项
地址
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