Metal etched engraving

Metal etched engraving

  • CN 2,307,685 Y
  • Filed: 08/12/1997
  • Issued: 02/17/1999
  • Est. Priority Date: 08/12/1997
  • Status: Active Grant
First Claim
Patent Images

1. , a kind of etch-out metallic print is characterized in that:

  • a metal plate is arranged, recessed pattern is arranged on the metal plate, be covered with one deck scumbling material on the recessed pattern, be covered with layer protecting film on the coating and on the whole metal plate.

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