Document Type and Number:
Japanese Patent JPS4892233
Kind Code:
A
Application Number:
JP1820873A
Publication Date:
November 30, 1973
Filing Date:
February 14, 1973
Export Citation:
International Classes:
C04B41/88; C03C17/10; C23C18/16; C23C18/18; C23C18/20; C23C18/28; C23C18/34; C23C18/40; C23C18/44; (IPC1-7): C03C3/02