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ITU-T Series B

B.1 [Withdrawn] Letter symbols for telecommunications  
B.3 [Withdrawn] Use of the international system of units (SI)  
B.10 [Withdrawn] Graphical symbols and rules for the preparation of documentation in telecommunications  
B.11 Legal time - use of the term UTC  
UTC time scale is defined and recommended by the ITU-R and maintained by the Bureau International des Poids et Mesures (BIPM), and is thus outside the scope of ITU-T
B.12 [Withdrawn] Use of the decibel and the neper in telecommunications  
Content is covered by ITU-T Rec. G.100.1
B.13 [Withdrawn] Terms and definitions  
B.14 [Withdrawn] Terms and symbols for information quantities in telecommunications  
B.15 [Withdrawn] Nomenclature of the frequency and wavelength bands used in telecommunications  
B.16 [Withdrawn] Use of certain terms linked with physical quantities  
B.17 [Withdrawn] Adoption of the CCITT Specification and Description Language (SDL)  
Content is adequately covered by Rec. Z.110
B.18 [Withdrawn] Traffic intensity unit  
Content is already covered by ITU-T E.600
B.19 [Withdrawn] Abbreviations and initials used in telecommunications  

  


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