Document Type and Number:
Japanese Patent JPS4889914
Kind Code:
A
More Like This:
Application Number:
JP1758873A
Publication Date:
November 24, 1973
Filing Date:
February 14, 1973
Export Citation:
International Classes:
C03C3/21; C03C4/00; (IPC1-7): C03C3/16
Domestic Patent References:
| JP44024423A |