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U.7�:�Numbering schemes for automatic switching networks �

Recommendation U.7

In force components
Number
 Title Status
U.7 (03/93)
� 		Numbering schemes for automatic switching networks � In force
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�
Superseded and Withdrawn components
Number
 Title Status
U.7 (11/88)
� 		Numbering schemes for automatic switching networks � Superseded

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