Document Type and Number:
Japanese Patent JPS5055618
Kind Code:
A
Application Number:
JP10524173A
Publication Date:
May 15, 1975
Filing Date:
September 18, 1973
Export Citation:
International Classes:
C04B28/30; C04B38/00; C04B40/00; (IPC1-7): C04B21/08; C04B19/00