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JVC Develops World's First Single-sided, Dual Layer DVD-RW Disc Technology
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HP Double Layer DVD Disk, Memory Size: 8.5 GB (Storage Data)
PP HP DVD R DL Double Layer Ink Jet Printable IJP 8X Speed, Memory Size: 8.5
DVD - Simple English Wikipedia, the free encyclopedia
DVDs - digital versatile disks - how they're made and how they work
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HP Double Layer DVD Disk, Memory Size: 8.5 GB (Storage Data)
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25 discs HP Double Layer DVD+R Logo Branded - Dual Layer, 8X, 8.5 GB, 240 mins | eBay
Dual Layer DVD or DVD-R DL Dual Layer Media
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Difference between Dual-Layer and Double-Sided DVD