USA - CIRCA 1973: A postage stamp printed in USA, shows Transistors and Printed Circuit Board, circa 1973

- Image ID: DNH8YT
USA - CIRCA 1973: A postage stamp printed in USA, shows Transistors and Printed Circuit Board, circa 1973 Stock Photo
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USA - CIRCA 1973: A postage stamp printed in USA, shows Transistors and Printed Circuit Board, circa 1973
Sergey Komarov-Kohl / Alamy Stock Photo
Image ID: DNH8YT