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This document, provided courtesy of Andrew Wylie, was produced as a supplement to the December 1956 edition of Funkschau (Volume 24).
It gives data for the following Telefunken transistors and diodes:
OD 604
OC604 Spez
OC612
OA180
OA154Q
In addition it gives useful manufacturing details for the OC604 Spez transistor.
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