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1, How to extract gold from waste circuit boards? Solve 2. Can the Can gold be extracted from a circuit board? 3. Whi...
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1, 2, How much money can be exchanged for gold chip refining gold on a bank card 3, Electronic waste gold method How...
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1, Electronic waste gold method 2. How to refine gold in electronics 3, Waste electronic product gold is true 4, How...
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Money was printed on paper, and change was made into metal coins; Printing money on paper greatly reduces the cost, and...
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Scrap metal recyclable categories are[1] Scrap copper series: white copper, bright copper, motor copper, phosphorus copp...
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, SIM card (mobile phone card SIM card (Subscriber Identification Module , also known as user identification card, smart...
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is not...
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A bank card is a card. It can't be mined for gold.Bank card refers to a credit payment instrument approved by commercial...
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Two grams.A catty chip can extract 2 grams of gold, the unit price of gold on April 3, 2022, is 389.81 yuan, so the gold...
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Bank card ic chip contained in the gold content is very small, a ton of bank card ic chip can be refined 150 grams of go...
