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ЗАБРАЛ ЗОЛОТО с помощью китайского реагента «Золотая Цикада».

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Золото из старых часов Au20

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Очистка и извлечение золота из колец и ювелирных изделий

"Extracting Microscopic Gold from Hard Rocks Using the Electrolysis Process of Aqua Regia"

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Аффинаж конденсаторов КЛС и К15.

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Золото из крупных чипов, старой оперативки

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Very interesting Recover 24K Gold From Electronics Scrap

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