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issue information

Progress in electronics

USA

10 Jul 1973

stamps in set 3

stamps in set about computers: 1 / 3
ID# 210
  • Format SH
  • Face v.0,08
  • Perf.11
  • Print.Lithography
  • Category printed circuit
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SH sheet

SS souvenir sheet

MS mini sheet

ST se-tenant

TB tete beche

BK booklet

FDC first day cover

CL coil

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