The 100th Anniversary of Robert Koch's Discovery of Tubercle Bacillus 1982
Most látható: Dzsibuti - Postaköltség bélyegek - 1982 - The 100th Anniversary of Robert Koch's Discovery of Tubercle Bacillus - 1 bélyegek.
1982
The 100th Anniversary of Robert Koch's Discovery of Tubercle Bacillus
24. március Vj: Senki Fogazat: 13
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