National Acoustic Laboratories Library
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P. 360. Series P: telephone transmission quality, telephone installations, local line networks. Subscribers' lines and sets. Efficiency of devices for preventing acoustic pressure by telephone receivers

By: Material type: TextTextPublication details: Geneva ITU 1998
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Item type Current library Call number Status Date due Barcode
Bound printed item Bound printed item National Acoustic Laboratories On Display ITU-T.P. 360 Available 311121

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