Life cycle
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Previously
WithdrawnISO/IEC Guide 3:1981
WithdrawnISO/IEC Guide 21:1981
WithdrawnISO/IEC Guide 21:1981/Add 1:1983
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Now
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Revised by
PublishedISO/IEC Guide 21-1:2005
PublishedISO/IEC Guide 21-2:2005