Document Type and Number:
Japanese Patent JPS5394657
Kind Code:
U
Application Number:
JP17804476U
Publication Date:
August 02, 1978
Filing Date:
December 29, 1976
Export Citation:
International Classes:
G04B37/08; G04B39/02; (IPC1-7): G04B37/08
Domestic Patent References:
JPS52126862U | 1977-09-27 | |||
JPS51154575U | 1976-12-09 | |||
JPS5058776U | 1975-05-31 |