Writing board with electrostatic attraction for paper
A Standard patent application filed on 24 May 2000 credited to Huang, Wanmou
;
Wei, Dong
;
Chen, Yong
Details
Application number :
47407
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Writing board with electrostatic attraction for paper