QUANTUM-

Astronometric measuring machines and instruments; Automatic liquid-flow control machines and instruments; Automatic pressure control machines and instruments; Instruments for detecting and measuring two-dimensional distribution of force and pressure; Instruments for measuring length; Measurement standard devices for nanometrology, namely measuring tools having a pattern in the micrometer or nanometer ranges; Measuring instrumentation and apparatus, namely digitizers; Precision instruments for manipulation an dpositioning of microscopic objects; Scientific measuring instruments, namely conductivity meters; Seismological instruments; Sound recording apparatus and instruments ; Surface roughness testing machines and instruments