Document Type and Number:
Japanese Patent JPS434448
Kind Code:
Y1
Application Number:
JP2655765U
Publication Date:
February 26, 1968
Filing Date:
April 02, 1965
Export Citation:
International Classes:
G03B21/54; G03B1/00; G03B1/04; G11B23/08; G11B23/087; (IPC1-7): G03B1/04; G11B23/08
Next Patent: TONE RECORDER