Contact

Management

Avenue Léopold-Robert 65
2300 La Chaux-de-Fonds
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032 913 80 78
info@cosc .swiss

Bienne official laboratory

Route de Soleure 136
2504 Biel/Bienne
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031 636 70 50
bobi@cosc.swiss

Le Locle official laboratory

Rue des Billodes 18
2400 Le Locle
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032 933 85 60
bolo@cosc.swiss

Saint-Imier official laboratory

Rue Dr-Schwab 32A
2610 Saint-Imier
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032 942 30 20
bosi@cosc.swiss