Combustion engine emission reduction control systems, namely, emission after-treatment apparatus in the nature of catalytic converters not for use in connection with watercraft; Machines for generating electrical power and recovering usable waste heat

Coordinate measuring machines and parts thereof

Electrical superconductors, and hyperconductive conductors, cables, and transmission wires, electrical transmission wire demonstration plants consisting of end fittings, joints and splices and superconductors, superconductive and hyperconductive conductors, cables, and transmission wires

Combustion engine emission reduction control systems, namely, emission after-treatment apparatus in the nature of catalytic converters not for use in connection with watercraft; Machines for generating electrical power and recovering usable waste heat