Document Type and Number:
Japanese Patent JPH02112321
Kind Code:
U
Application Number:
JP1971489U
Publication Date:
September 07, 1990
Filing Date:
February 22, 1989
Export Citation:
International Classes:
B01F1/00; B01F3/04; B01F5/00; B01F5/04; (IPC1-7): B01F1/00; B01F3/04; B01F5/00
Domestic Patent References:
| JPS521560A | 1977-01-07 |