Document Type and Number:
Japanese Patent JPS5036986
Kind Code:
Y1
Application Number:
JP13036270U
Publication Date:
October 28, 1975
Filing Date:
December 22, 1970
Export Citation:
International Classes:
G03B31/06; G03B31/00; G11B5/80; G11B31/00; (IPC1-7): G03B31/00; G11B5/80
Domestic Patent References:
| JP42009623A |