The 11th International Congress on Clinical Chemistry 1981
Ora in esposizione: Austria - Francobolli postali - 1981 - The 11th International Congress on Clinical Chemistry - 1 francobolli.
1981
The 11th International Congress on Clinical Chemistry
31. Agosto WM: Nessuno Dimensioni del foglio: 50 Disegno: Adalbert Pilch y Rudolf Toth. Dentellatura: 14¼ x 13¾
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