Document Type and Number:
Japanese Patent JPS5155626
Kind Code:
U
Application Number:
JP12898674U
Publication Date:
April 30, 1976
Filing Date:
October 26, 1974
Export Citation:
International Classes:
G03D13/00; C03B27/00; G03C1/765; (IPC1-7): G03C1/96; C03B27/00
Domestic Patent References:
| JP49062036B |