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  Home : ITU-T : Publications : Recommendations : R Series : R.4 : R.4 (11/88)
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R.4 : Methods for the separate measurements of the degrees of various types of telegraph distortion  

Recommendation R.4 (11/88)

Approved in 1988-11-25

Status : In force


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PDF Document PDF (acrobat)

48201 bytes 1990-04-19 E 15285 
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55171 bytes 1990-04-19 F 15285 

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33686 bytes 1990-04-19 E 15285  Download
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Updated : 2001/09/10