Talk:Constantin Fahlberg

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Standardization of categories in all languages

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Category: Biographies by Alphabet Category: Manufacturers by Alphabet Category: Scientists by Alphabet Category: Chemist by Alphabet

Category: Russian chemists Category: German chemists Category: American chemists

Category: Chemists of the XIX. Century Category: Chemists of the XX. Century

Category: Manufacturers of the XIX. Century Category: Manufacturers of the XX. Century

Category: Born on 22 December Category: Born in 1850 Category: Born in Tambov, Russia

Category: Died on 15 August Category: Died in 1910 Category: Died in Nassau / Lahn, Germany