Login| Sign Up| Help| Contact|

Patent Searching and Data


Document Type and Number:
Japanese Patent JPS6144197
Kind Code:
Y2
Application Number:
JP5110979U
Publication Date:
December 12, 1986
Filing Date:
April 17, 1979
Export Citation:
Click for automatic bibliography generation   Help
International Classes:
G02B6/00; G03B17/20; G03B19/12; (IPC1-7): G03B17/20