Document Type and Number:
Japanese Patent JPH01163546
Kind Code:
U
Application Number:
JP6149588U
Publication Date:
November 15, 1989
Filing Date:
May 09, 1988
Export Citation:
International Classes:
B02C17/20; B01F7/00; B01F9/00; (IPC1-7): B02C17/20; B01F7/00; B01F9/00
Domestic Patent References:
JPS5584547A | 1980-06-25 |