Multi-functional writing pad

Multi-functional writing pad

  • CN 201,677,633 U
  • Filed: 09/03/2009
  • Issued: 12/22/2010
  • Est. Priority Date: 09/03/2009
  • Status: Active Grant
First Claim
Patent Images

1. multi-functional backing plate that writes is characterized in that described backing plate plate face is provided with and is horizontal, vertical regularly arranged protruding grain.

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