The 8th World Computer Congress and Third World Conference on Medical Informatics, Tokyo 1980
Praegu kuvatakse: Jaapan - postmargid - 1980 - The 8th World Computer Congress and Third World Conference on Medical Informatics, Tokyo - 1 margid.
1980
The 8th World Computer Congress and Third World Conference on Medical Informatics, Tokyo
29. september WM: mitte ükski perforatsioon: 13¼
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