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International Congress of the International Ergonomics Society issue of Poland
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Short desc: International Congress of the International Ergonomics Society
Issuer: Poland Date: 8/27/1979 Occasion: International Congress of the International Ergonomics Society Consists of 1 stamp: (See stamps as list) 1.50z d=Wojciech Jatrzebowski All are perf=11.5x11.25 Record of changes |
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