Document Type and Number:
Japanese Patent JPS5281455
Kind Code:
U
Application Number:
JP17024875U
Publication Date:
June 17, 1977
Filing Date:
December 16, 1975
Export Citation:
International Classes:
C03B33/10; (IPC1-7): C03B33/10
Domestic Patent References:
| JPS4737950B1 | ||||
| JPS4510214Y1 | 1970-05-11 |