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KS 22 SA
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MEYRIN, CH
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Patent Grant
Method for fixing a crown screwed on a watch case and watch case eq...
Patent number
6,719,455
Issue date
Apr 13, 2004
KS 22 SA
Roger Ecoffet
G04 - HOROLOGY
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Patent Application
Screw-on crown for timepiece
Publication number
20040130971
Publication date
Jul 8, 2004
KS 22 S.A.
Roger Ecoffet
G04 - HOROLOGY
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