Document Type and Number:
Japanese Patent JPS62189692
Kind Code:
U
Application Number:
JP7768886U
Publication Date:
December 02, 1987
Filing Date:
May 23, 1986
Export Citation:
International Classes:
G04C23/16; G04B23/02; G04C21/16; (IPC1-7): G04C21/16; G04B23/02
Domestic Patent References:
| JPS5233768A | 1977-03-15 | |||
| JPS5847438U | 1983-03-30 |