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Z.151�:�User Requirements Notation (URN) - Language definition �

Recommendation Z.151

In force components
Number
 Title Status
Z.151 (10/18)
� 		User Requirements Notation (URN) - Language definition � In force
�
�
Superseded and Withdrawn components
Number
 Title Status
Z.151 (11/08)
� 		User requirements notation (URN) - Language definition � Superseded
Z.151 (2008) Corrigendum 1 (04/12)
� 		� Superseded
Z.151 (10/12)
� 		User Requirements Notation (URN) - Language definition � Superseded

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