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P.57�:�Artificial ears �

Recommendation P.57

In force components
Number
 Title Status
P.57 (06/21)
� 		Artificial ears � In force
�
�
Superseded and Withdrawn components
Number
 Title Status
P.57 (03/93)
� 		Artificial ears � Superseded
P.57 (08/96)
� 		Artificial ears � Superseded
P.57 (07/02)
� 		Artificial ears �
 		Superseded
P.57 (2002) Corrigendum 1 (01/05)
� 		�
Published as a covering note 		Superseded
P.57 (11/05)
� 		Artificial ears � Superseded
P.57 (04/09)
� 		Artificial ears � Superseded
P.57 (12/11)
� 		Artificial ears � Superseded
P.57 (02/21)
� 		Artificial ears � Superseded

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Updated :�2021-08-23		 �