ERICHSEN

PHYSICAL AND OPTICAL INSTRUMENTS, NAMELY, SCALES, SIGNALERS, CONTROLLERS, CAMERAS AND PARTS THEREOF; MEASURING INSTRUMENTS, NAMELY, ELECTRICAL AND HYDRAULIC DYNAMOMETERS; PRESSURE METERS; PRESSURE DISTRIBUTORS; PRESSURE CELLS AND PRESSURE-DISTRIBUTION CELLS; PRESSURE GAUGES, MANOMETERS; MATERIAL-TESTING MACHINES FOR DETERMINING THE PHYSICAL QUALITIES OF METAL, SYNTHETIC PLASTICS MATERIAL AND ELASTOMER, AND ELECTRICAL MEASURING MACHINES FOR MEASURING FORCE, PRESSURE, DISPLACEMENT AND MASS