Document Type and Number:
Japanese Patent JPS5267317
Kind Code:
U
Application Number:
JP15454975U
Publication Date:
May 18, 1977
Filing Date:
November 13, 1975
Export Citation:
International Classes:
G03B21/54; B65H75/28; G03B23/02; G11B23/08; G11B23/087; (IPC1-7): G11B23/08; G03B23/02
Domestic Patent References:
| JPS4833315U | 1973-04-21 |