Login| Sign Up| Help| Contact|

Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5616120
Kind Code:
U
Application Number:
JP9912179U
Publication Date:
February 12, 1981
Filing Date:
July 18, 1979
Export Citation:
Click for automatic bibliography generation   Help
International Classes:
G02C7/08; G03B23/00; (IPC1-7): G02C7/08; G03B23/00