Document Type and Number:
Japanese Patent JPS62128387
Kind Code:
U
Application Number:
JP1677386U
Publication Date:
August 14, 1987
Filing Date:
February 07, 1986
Export Citation:
International Classes:
G04B37/14; G04B49/02; (IPC1-7): G04B49/02; G04B37/14
Domestic Patent References:
| JPS484941U | 1973-01-20 |