Document Type and Number:
Japanese Patent JPH01160403
Kind Code:
U
Application Number:
JP5578788U
Publication Date:
November 07, 1989
Filing Date:
April 25, 1988
Export Citation:
International Classes:
G02B6/00; F21V8/00; (IPC1-7): G02B6/00; F21V8/00; G02B6/00
Domestic Patent References:
JPS499378A | 1974-01-26 | |||
JPS6129161U | 1986-02-21 | |||
JPS60101257U | 1985-07-10 |