Document Type and Number:
Japanese Patent JPH049983
Kind Code:
Y2
Application Number:
JP19487486U
Publication Date:
March 12, 1992
Filing Date:
December 17, 1986
Export Citation:
International Classes:
A47L15/00; A47L17/04; B24C3/32; (IPC1-7): A47L17/04; A47L15/00
Next Patent: TONER REPLENISHING DEVICE