The 11th International Congress on Clinical Chemistry 1981
Rāda: Austrija - Pastmarkas - 1981 - The 11th International Congress on Clinical Chemistry - 1 marka.
1981
The 11th International Congress on Clinical Chemistry
31. augusts SV: Neviens Lapas izmērs: 50 Dizains: Adalbert Pilch y Rudolf Toth. Perforēšana: 14¼ x 13¾
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