General information
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Status: WithdrawnPublication date: 1991-12Stage: Withdrawal of International Standard [95.99]
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Edition: 2Number of pages: 561
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Technical Committee :ISO/IEC JTC 1/SC 25ICS :35.160
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Life cycle
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Previously
WithdrawnIEC 821:1987
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Now
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Revised by
PublishedIEC 60821:1991