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Laboratory Phonecards PDF Print E-mail
Sunday, 07 June 2009 10:15
LA - "Laboratory Phonecards" (also called Prototypes or Lab-Models)
From 1976, phonecards were produced in the Central-Laboratory of Landis & Gyr in Zug (Switzerland) !
 
Moke-up produced un August 1976.
 
 
Last Updated on Sunday, 12 July 2009 11:55
 
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