Laboratory apparatus and instruments, namely, apparatus for testing gas, liquids and solids; Laboratory apparatus and instruments, namely, pressure transducers, leak masters, leak calibrators, master chambers, valves; Measuring or testing machines and instruments, namely, technical measuring, testing and checking apparatus and instruments for measuring, testing and checking the temperature, pressure, quantity and concentration of gas and liquids; Measuring or testing machines and instruments, namely, leak testers, pressure gauges, manometers, flow testers, flow meters, flow gauges, vibration tester, noise detection systems; Power distribution and control machines and apparatus, namely, controllers for pressure; Conductors, electric; Buzzers, electric; Electronic machines and apparatus and parts therefor, namely, electronic test instruments and associated software for use in leak, flow and functional testing; Magnetic cores; Resistance wires; Electrodes

Electrical insulating materials