Document Type and Number:
Japanese Patent JPH0217716
Kind Code:
U
Application Number:
JP9584588U
Publication Date:
February 06, 1990
Filing Date:
July 20, 1988
Export Citation:
International Classes:
G02C9/00; (IPC1-7): G02C9/00
Domestic Patent References:
JPS4931891U | 1974-03-19 | |||
JPS6129817A | 1986-02-10 | |||
JP14017166Y1 | ||||
JPH024133U | 1990-01-11 |
Next Patent: JPH0217717