Document Type and Number:
Japanese Patent JPS5616708
Kind Code:
Y2
Application Number:
JP15454975U
Publication Date:
April 17, 1981
Filing Date:
November 13, 1975
Export Citation:
International Classes:
G03B21/54; B65H75/28; G03B23/02; G11B23/08; G11B23/087; (IPC1-7): G11B23/08; B65H75/28