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Related
БСЭ1. Беспроволочная связь 7
Zusammenfassung
Figure from Беспроволочная связь article of Great Soviet Encyclopedia, 1st editionРусский: Иллюстрация к статье Беспроволочная связь 1-го издания Большой советской энциклопедии.
Tags
Datum
1927
Quelle
Wikimedia Commons book scan
Link
Copyright-info
Public Domain