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Amazon.com: MaxLLTo 6ft Extra Long AC Power Replacement Adapter for Casio Keyboard CT-610, CT-615, CT-630, CT-636, CT-638, CT-640, CT-650, CT-657, CT-660, CT-656, CT-670, CT-770 : Electronics
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A Working CASIO CT-770 Electronic Keyboard - Rare Vintage Keyboard? (S36_2545) | eBay | Casio, Ebay, Electronics
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