Title:
CLEANING APPARATUS FOR ELECTROSTATIC COPYING MACHINES
United States Patent 3526457
Inventors:
Dimond, John A.
Wharton, Armistead
Publication Date:
09/01/1970
Other Classes:
15/1.51, 15/256.51, 430/119.8
International Classes:
G03G21/00; G03G21/00; (IPC1-7): A47L13/40; A46B15/00; G03C1/10