Document Type and Number:
Japanese Patent JPS5078623
Kind Code:
A
Application Number:
JP12852673A
Publication Date:
June 26, 1975
Filing Date:
November 15, 1973
Export Citation:
International Classes:
C04B38/02; (IPC1-7): C04B21/00
Domestic Patent References:
| JPS4847526A | 1973-07-06 | |||
| JPS4739215A | ||||
| JPS4730720A | 1972-11-09 |