Special-shaped CD and its making process

Special-shaped CD and its making process

  • CN 1,110,804 C
  • Filed: 11/03/1997
  • Issued: 06/04/2003
  • Est. Priority Date: 11/03/1997
  • Status: Active Grant
First Claim
Patent Images

1. , a kind of method for making of CD of special shape 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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