Special-shaped CD and its making process

Special-shaped CD and its making process

  • CN 1,216,386 A
  • Filed: 11/03/1997
  • Published: 05/12/1999
  • Est. Priority Date: 11/03/1997
  • Status: Abandoned Application
First Claim
Patent Images

1. special-shaped CD method for making is characterized in that:

  • by mold pressing or cutting or method for milling CD is processed into non-circular chip shape.

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