73715926
Mar 10, 1988
Jan 23, 1990
CHEMICAL SUPPLIES FOR USE IN ELECTROSTATIC COPYING MACHINES AND PHOTOSTATIC COPYING MACHINES, IN PARTICULAR TONER AND DEVELOPER
ChemicalsELECTROSTATIC COPYING MACHINES, PHOTOSTATIC COPYING MACHINES, COPYING MACHINE STANDS, SORTERS, FEEDERS AND PARTS THEREFOR
Electrical and Scientific Apparatus