Title:
MOKEITONO SOSASATSUEIGAHO
Document Type and Number:
Japanese Patent JPS5194223
Kind Code:
A
Application Number:
JP2058075A
Publication Date:
August 18, 1976
Filing Date:
February 17, 1975
Export Citation:
International Classes:
G03B15/00; G03B27/32; G03B27/46; (IPC1-7): G03B15/00
Domestic Patent References:
| JPS283258Y1 | ||||
| JP42023917A | ||||
| JPS4911322A | 1974-01-31 |