73640817
Jan 21, 1987
Aug 25, 1987
Active Trademark
PORTABLE LABORATORY TEST EQUIPMENT, NAMELY, DISC COMPARATOR, COLOR DISC, COMPARATOR TUBE, [ STINNING ] * STIRRING * ROD, HOT PLATE, HEATING BLOCK, THERMOMETER AND CRUCIBLE TONGS FOR USE IN ANALYZING THE IRON CONTENT OF COOLING WATER AND BOILER WATER SYSTEMS
Electrical and Scientific Apparatus