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� Home : ITU-T : Publications : Recommendations : T�Series : T.20 : T.20 (11/88)
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T.20�:�Standardized test chart for facsimile transmissions �

Recommendation T.20 (11/88)

Approved in 1988-11-25

Status : Withdrawn

T.20 and T.21 are superseded by ITU-T T.22, and the test charts 1, 2 and 3 they described are replaced by test charts 4 and 5 of T.22
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