Colnect-3169-012-Transistors-and-Printed-Circuit-Board.jpg
Source: Colnect
Issued by: United States
Function: postage
Date: 7/10/1973
Issue: Progress in Electronics
Denom: 8c
Color: multicolored
Design type: electronics progress
Design: printed circuit board
Watermark: unwmk
Perf: 11
Catalog value:

In collections: used (Stan Shebs)

External links:
Colnect 93027-..tes_of_America


Record of changes

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