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engineering design type

  • Colnect-5217-629-Steam-Engine-and-Atomic-power-plant.jpg
  • Colnect-5217-630-Diesel-engine-T-344o-%C4%8CKD-Praha.jpg
Short desc: engineering




Used by 2 stamps: (See all uses as list)

Czechoslovakia 11/16/1964 30h carbrn issue=Brno Engineering Works 150th d=Steam Engine & Atomic power plant perf=11.5
Czechoslovakia 11/16/1964 60h d=diesel engine perf=11.5




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