Document Type and Number:
Japanese Patent JPS647292
Kind Code:
U
Application Number:
JP9969587U
Publication Date:
January 17, 1989
Filing Date:
June 29, 1987
Export Citation:
International Classes:
B24B31/14; C04B38/08; D06C11/00; (IPC1-7): D06C11/00; B24B31/14; C04B38/08
Domestic Patent References:
JPS5584407A | 1980-06-25 | |||
JPS60242960A | 1985-12-02 | |||
JPS5491530A | 1979-07-20 | |||
JPH01168904A | 1989-07-04 |