Document Type and Number:
Japanese Patent JPH0197858
Kind Code:
U
Application Number:
JP18944087U
Publication Date:
June 29, 1989
Filing Date:
December 15, 1987
Export Citation:
International Classes:
B24B31/14; B24C11/00; C09K3/14; (IPC1-7): B24B31/14; B24C11/00; C09K3/14