DVDs - digital versatile disks - how they're made and how they work
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DVD R or Recordable DVD Media
Dual Layer DVD or DVD-R DL Dual Layer Media
DVD+R DL | 8X | Falcon Media Pro - CDROM2GO
DVD-R DL - Wikipedia
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Multi-Layer High-Def DVD Technology
Why is this 1998 dvd slightly over the limit for dvd5? Dual layer dvds didn't exist till 2003. Is this an early (now useless)form of copy protection? : r/DataHoarder
Amazon.com: Memorex 8.5GB 8X Double Layer DVD+R 25pk Spindle : Electronics
What are Different DVD Sizes: DVD-5, DVD-10, DVD-9 and DVD-18
Uline DVD+R - Silver Lacquer Dual Layer S-13042 - Uline
JVC Develops World's First Single-sided, Dual Layer DVD-RW Disc Technology
Knowledge Base | DVD-R DL - CDROM2GO
DVD Movie Disc and DVD-ROM Disc Structure
DVD+R DL - Wikipedia
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What are dual layer DVDs? An explanation of how dual layer DVDs work and their specifications
