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Printed Circuit Board Gold Plating Demo - PCB Repair Kit - Pen Plating [[https://www.youtube.com/watch?v=3a_4jhxP458|youtube]]

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[[https://www.ebay.com/itm/24K-Brush-Gold-Plating-Solution-250-mL-Professional-Grade-2-5g-Fine-Gold-/131959088619|24K-Brush-Gold-Plating-Solution-250-mL]]

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