Document Type and Number:
Japanese Patent JPH03120762
Kind Code:
U
Application Number:
JP2913690U
Publication Date:
December 11, 1991
Filing Date:
March 23, 1990
Export Citation:
International Classes:
E05B13/00; G08B13/06; G08B15/00; (IPC1-7): E05B13/00; G08B13/06; G08B15/00
Domestic Patent References:
| JPS6018266A | 1985-01-30 | |||
| JPS61194549A | 1986-08-28 |