Education service system using communicate line and education service providing method
A Standard patent application filed on 24 June 2002 credited to Shimamoto, Katsunori
;
Yasumi, Yu
;
Saruhashi, Nozomu
;
Uemura, Masahide
Details
Application number :
2002315876
Application type :
Standard
Application status :
CEASED
Under opposition :
No
Proceeding type :
Invention title :
Education service system using communicate line and education service providing method