Document Type and Number:
Japanese Patent JPH026836
Kind Code:
Y2
Application Number:
JP1212186U
Publication Date:
February 19, 1990
Filing Date:
January 29, 1986
Export Citation:
International Classes:
A47B77/04; A47B46/00; A47B77/10; (IPC1-7): A47B77/04; A47B46/00
Next Patent: PRODUCTION OF SUPERFINE POWDER AND DEVICE THEREFOR