Document Type and Number:
Japanese Patent JPH01125421
Kind Code:
U
Application Number:
JP2229088U
Publication Date:
August 28, 1989
Filing Date:
February 22, 1988
Export Citation:
International Classes:
G02C3/00; G02C7/10; (IPC1-7): G02C3/00; G02C7/10
Domestic Patent References:
| JPS6013272B2 | 1985-04-05 | |||
| JP60105620B |