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S.21 : Use of display screens in telex machines

Recommendation S.21

In force components
Number
Title Status
S.21 (03/93)
 
Use of display screens in telex machines   In force
 
 
Superseded and Withdrawn components
Number
Title Status
S.21 (11/88)
 
Use of display screens in telex machines   Superseded

 

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Updated : 2009/01/14