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� Home : ITU-T : Publications : Recommendations : Q�Series : Q.8
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Q.8�:�Signalling systems to be used for international manual and automatic working on analogue leased circuits �

Recommendation Q.8

In force components
Number
 Title Status
Q.8 (11/88)
� 		Signalling systems to be used for international manual and automatic working on analogue leased circuits � In force

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