Life cycle
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Previously
WithdrawnISO 4617-1:1978
WithdrawnISO 4617-2:1982
WithdrawnISO 4617-3:1986
WithdrawnISO 4617-4:1986
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Now
Customer care
+41 22 749 08 88
Opening hours:
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)