73596001
Apr 29, 1986
Jul 7, 1987
LABORATORY MEASURING AND DOSING APPARATUS AND INSTRUMENTS FOR AIR, PARTICLES, POWDERS AND/OR GRAINS, NAMELY POWDER DISPERSION GENERATORS, PARTICLE COUNTERS AND ANALYZERS AND INTERFACES THEREFOR, AEROSOL GENERATORS, SEDIMENTATION CELLS FOR MEASURING SEDIMENTATION VELOCITY AND PARTS AND FITTINGS FOR THE AFORESAID GOODS
Electrical and Scientific Apparatus