MEASURING, TESTING AND CONTROLLING APPARATUS AND INSTRUMENTS, NAMELY BALANCES OF ALL TYPES, ESPECIALLY PRECISION, ANALYTIC, MICRO- AND CARAT BALANCES; BALANCES AND BUILT-IN BALANCES FOR COUNTING, DOSING, CHECKING AND CLASSIFYING; BALANCES FOR LAORATORY, INDUSTRIAL AND COMMERCIAL USE; MECHANICAL, ELECTRICAL AND REPLACEMENT PARTS AND ACCESSORIES FOR BALANCE AND BUILT-IN BALANCES; TRANSDUCERS MEASURING FORCE OR PRESSURE; TEMPERATURE MEASURING DEVICES; INSTRUMENTS AND INSTRUMENTS COMBINATIONS FOR PHYSICAL OR CHEMICAL ANALYSIS, ESPECIALLY FOR THERMOANALYSIS, FOR A CALORIMETRY, FOR TITRATION AND FOR EXTRACTION, DILUTION AND ALIQUOTING OF TEST SAMPLES, INCLUDING REPLACEMENT PARTS AND ACCESSORIES FOR THESE INSTRUMENT AND INSTRUMENT COMBINATIONS; PERIPHERAL ACCESSORIES USED IN CONJUNCTION WITH THE AFORESAID BALANCES, INSTRUMENTS AND INSTRUMENTS AND INSTRUMENTS COMBINATIONS, NAMELY, FOOT SWITCHES, DOSING SPOONS, ELECTRIC INFRARED DRYERS, REMOTE VIDEO DISPLAYS, PRINTERS, DATA FEEDERS, DATA INDICATORS, DATA TRANSFER AND CONTROL UNITS, OPTICAL PRECISION GRADUATIONS, PHOTOCHEMICAL ENGRAVINGS AND COATED PHOTOGRAPHIC PLATES