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Radio / Radio ja Sähkö

Tekniikan ja Radioalan aikakauslehti (Magazine for Technics and Radio)

Periodical   Volume 4Number 7Juillet 1945

fi_radio_ja_saehkoe_1945_7cov.jpg fi_radio_ja_saehkoe_1945_7_p4.png fi_radio_ja_saehkoe_1945_7_p5.png
created by: Franz Harder (12.Feb.17) available by: Ake Nyholm
Page Content
4 
created by
Franz Harder
  • Improvements in moving picture audio recording (p.1 of 2)
  
5 
created by
Franz Harder
  • Improvements in moving picture audio recording (p.2 of 2)
  

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