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Z.150�:�User Requirements Notation (URN) - Language requirements and framework �

Recommendation Z.150

In force components
Number
 Title Status
Z.150 (02/11)
� 		User Requirements Notation (URN) - Language requirements and framework � In force
�
�
Superseded and Withdrawn components
Number
 Title Status
Z.150 (02/03)
� 		User Requirements Notation (URN) - Language requirements and framework �
 		Superseded

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