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M.Sup2.13�:�Loop method for the maintenance of 4-wire telephone-type leased circuits �

Recommendation M.Sup2.13

This Supplement was withdrawn because its content was out of date
Superseded and Withdrawn components
Number
 Title Status
M.supp2.13 (10/76)
� 		Loop method for the maintenance of 4-wire telephone-type leased circuits �
This Supplement was withdrawn on 1998-06-26 because its content was out of date 		Withdrawn

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