Login| Sign Up| Help| Contact|

Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5741871
Kind Code:
U
Application Number:
JP11909580U
Publication Date:
March 06, 1982
Filing Date:
August 22, 1980
Export Citation:
Click for automatic bibliography generation   Help
International Classes:
G02B6/04; B66B3/00; B66B3/02; G09F9/30; (IPC1-7): B66B3/00; G02B5/16; G09F9/30
Domestic Patent References:
JPS5524633U1980-02-18
JPS5020643B11975-07-16
JPS5248714U1977-04-07