Document Type and Number:
Japanese Patent JPS4412456
Kind Code:
Y1
Application Number:
JP411865U
Publication Date:
May 23, 1969
Filing Date:
January 21, 1965
Export Citation:
International Classes:
G03B21/32; F16B7/18; G03B1/02; G03B1/04; G11B15/32; (IPC1-7): G03B1/04; F16B7/18; G11B15/32