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issue information

Centenary swedish patent system

Sweden

06 Jun 1984


stamps in set 6

stamps in set about computers: 1 / 6
ID# 173
  • Format SH BK
  • Face v.2,70
  • Perf.12 x 12
  • Print.Engraving
  • Category microchip
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Formats abbreviations

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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