Login| Sign Up| Help| Contact|

Patent Searching and Data


Document Type and Number:
Japanese Patent JPS52106301
Kind Code:
U
Application Number:
JP1279676U
Publication Date:
August 12, 1977
Filing Date:
February 06, 1976
Export Citation:
Click for automatic bibliography generation   Help
International Classes:
G03F7/20; (IPC1-7): G03F7/20
Domestic Patent References:
JPS5011396U1975-02-05
JP49133633B
JPS3012567Y1
JP48113941B