绘图笔架这一实用新型属于文具类。

The utility model discloses a pen rack for drawing, belonging to a stationery class.

结果文具类含铅量为铅笔（129.90±52.53）mg/kg，合格率95.83%；

Results In stationery, lead contents in pencils was ( 129.90 ± 52.53) mg/ kg, and the qualification rate was 95.83%.