The 100th Anniversary of the Discovery of the Tuberculosis Bacillus by Robert Koch 1982
अब दिखा रहें: दक्षिण यमन - डाक शुल्क स्टैम्प - 1982 - The 100th Anniversary of the Discovery of the Tuberculosis Bacillus by Robert Koch - 1 स्टैम्प.
1982
The 100th Anniversary of the Discovery of the Tuberculosis Bacillus by Robert Koch
24. मार्च डब्ल्यू एम: कोई नहीं वेध: 14½
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