Book protective cover

Book protective cover

  • CN 2,325,215 Y
  • Filed: 03/25/1998
  • Issued: 06/23/1999
  • Est. Priority Date: 03/25/1998
  • Status: Active Grant
First Claim
Patent Images

1. , books protection front cover has a rectangular plastic diaphragm (1), it is characterized in that this plastic film one side middle part is pasted with a two-sided glue-line (2).

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