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Q.141 : Signal code for line signalling  

Recommendation Q.141

Clause 2 (03/93) - Line signalling
In force components
Number
 Title Status
Q.141 (03/93)
  		Signal code for line signalling   In force
 
 
Superseded and Withdrawn components
Number
 Title Status
Q.141 (11/88)
  		Signal code for line signalling   Superseded

 

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Updated : 2008/07/01