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| U.40�:�Reactions by automatic terminals connected to the telex network in the event of ineffective call attempts or signalling incidents
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| In force components |
Number
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Title |
Status |
U.40 (03/93)
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Reactions by automatic terminals connected to the telex network in the event of ineffective call attempts or signalling incidents
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In force
|
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| Superseded and Withdrawn components |
Number
|
Title |
Status |
U.40 (11/88)
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Reactions by automatic terminals connected to the telex network in the event of ineffective call attempts or signalling incidents
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Superseded
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