Login| Sign Up| Help| Contact|

Patent Searching and Data


Document Type and Number:
Japanese Patent JPH03122449
Kind Code:
U
Application Number:
JP3033890U
Publication Date:
December 13, 1991
Filing Date:
March 23, 1990
Export Citation:
Click for automatic bibliography generation   Help
International Classes:
G03G15/02; (IPC1-7): G03G15/02