бутлуур чулуу бутлуурын хэсэг
Чулуу Хацрын бутлуурын хэсэг Desgaste Degussa AG - The Evonik History Portal - The History of. The history of former Degussa began in the half of the 19 th century, when the head of the Frankfurt Mint, Friedrich Ernst Roessler, established a gold and silver separation factory at the city''s request in 1843.
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