(84) |
Designated Contracting States: |
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AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE |
(30) |
Priority: |
23.12.1992 GB 19920026845 15.03.1993 GB 19930005245
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(71) |
Applicant: WESTERN ATLAS U.K. LIMITED |
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Aylesbury, Buckinghamshire HP20 2RQ (GB) |
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(72) |
Inventors: |
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- COVERDALE, Stephen Roger, Spring Hill
Nr Bradford, West Yorkshire DB18 1ND (GB)
- GRAYSTON, Granville
r Keighley, West Yorkshire BD20 7DS (GB)
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(74) |
Representative: Nash, Keith Wilfrid |
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KEITH W. NASH & Co. Pearl Assurance House 90-92 Regent Street Cambridge CB2 1DP Cambridge CB2 1DP (GB) |
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