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UIC A122/DT40-1ed.

The effect of thyristor noise on the quality of telephone communications, by Dr.Ing. Vollmeyer

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The information about the standard:

Designation standards: UIC A122/DT40-1ed.
Approximate weight : 300 g (0.66 lbs)
Country: International technical standard
Category: Technical standards UIC

Annotation of standard text UIC A122/DT40-1ed. :

Name:
Der Einfluss von Thyristor Geräuschen auf die Güte einer Fernsprechverbindung, von Herrn Dr.Ing. Vollmeyer