Document Type and Number:
Japanese Patent JPS5178232
Kind Code:
A
Inventors:
ICHIJO TSUNEYA
Application Number:
JP14927374A
Publication Date:
July 07, 1976
Filing Date:
December 28, 1974
Export Citation:
Assignee:
ICHIJO TSUNEYA
International Classes:
G03B21/54; G03B21/56; G09B5/00; G09B5/02; (IPC1-7): G03B21/56; G09B5/00