Document Type and Number:
Japanese Patent JPS6433535
Kind Code:
U
Application Number:
JP12909587U
Publication Date:
March 01, 1989
Filing Date:
August 25, 1987
Export Citation:
International Classes:
B28B1/50; C03B19/08; C03C11/00; (IPC1-7): C03B19/08; B28B1/50