OPTICAL-CARDS - Published Articles

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DE-STU11-BEL-02

TE-STU07-GBR-16

DE-STU11-BEL-01

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Published Articles

Saga "Holos à Gogo" (17 Articles)

Articles (in french) published in the INFOPUCE review from 1999 to 2002.
Landis & Gyr Reviews (4 Articles)

Important internal articles published by Landis & Gyr / Sodeco from 1980 to 1985.
Landis & Gyr Brochures (6 Articles)

Brochures issued for promotion of telephone systems produced by L&G / Sodeco.
Cards' Production in Zoug (5 Articles)

The Central-Laboratory and the 1st, 2nd & 3rd generations of cards' Production.
General Articles (4 Articles)

Articles about Phonecards found in miscellaneous collectors' reviews.
Friends (2 Articles)

Tributes for great collectors' Friends.