Multi-purpose writing book

Multi-purpose writing book

  • CN 103,507,476 A
  • Filed: 06/17/2012
  • Published: 01/15/2014
  • Est. Priority Date: 06/17/2012
  • Status: Active Application
First Claim
Patent Images

1. the feature of multipurpose writing book is:

  • this interior page is printed on length and width is all less than the point of one millimeter, Xiang Linliang dot center spacing is more than or equal to two millimeters and is less than or equal to seven millimeters, point is arranged in horizontal and vertical linearly formula, limits the row and column that is applicable to writing word.

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