Document Type and Number:
Japanese Patent JPS5124147
Kind Code:
U
Application Number:
JP9399474U
Publication Date:
February 21, 1976
Filing Date:
August 05, 1974
Export Citation:
International Classes:
G02C3/00; A63B33/00; G02C5/04; (IPC1-7): G02C5/04; A63B33/00