St. Petersburg, Russia/stpet212
Previous | Home | NextThe Periodic Table was erected commemorating the 100th birthday of Mendeleev by Institute of Metrology and Standardization of the U.S.S.R, the former Central Chamber of Weights and Measures.
St. Petersburg, Russia/stpet212Previous | Home | NextThe Periodic Table was erected commemorating the 100th birthday of Mendeleev by Institute of Metrology and Standardization of the U.S.S.R, the former Central Chamber of Weights and Measures. |
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