Document Type and Number:
Japanese Patent JPS5552121
Kind Code:
U
Application Number:
JP13585178U
Publication Date:
April 07, 1980
Filing Date:
October 02, 1978
Export Citation:
International Classes:
G02C5/00; A61N2/08; G02C5/14; (IPC1-7): G02C5/14; A61N1/42
Domestic Patent References:
| JPS53102051A | 1978-09-06 |