Document Type and Number:
Japanese Patent JPH0322215
Kind Code:
U
Application Number:
JP8286589U
Publication Date:
March 07, 1991
Filing Date:
July 14, 1989
Export Citation:
International Classes:
G02C7/10; G02C9/00; G02C; (IPC1-7): G02C9/00; G02C7/10
Next Patent: JPH0322216