Turning-over changed advertisement board structure

Application Number: 00120961
Application Date: 2000.08.02
Publication Number: 1285579
Publication Date: 2001.02.28
Priority Information:
International: G09F11/02
Applicant(s) Name: Chen Zhining
Inventor(s) Name: Chen Zhining
Patent Agency Code: 00000
Patent Agent:
Abstract The present invention relates to an advertising board structure capable of turning and changing, in the concrete, it is a rectangular advertising board structure with four iso-surfaces which can be turned and changed.