Frequency Hopping invention issue of Austria

  • Colnect-6375-592-Frequency-Hopping-by-Hedi-Lamarr.jpg
Short desc: Frequency Hopping invention

Issuer: Austria
Date: 1/22/2020
Occasion: unset


Consists of 1 stamp: (See stamps as list)

90(c) d=Hedy Lamarr



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