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Parts for electric compressors, gas compressors and internal combustion engines, namely, compressor cylinder liners, rod packing rings, wiper rings, seal rings, crossheads, compressor rods, compressor pistons, compressor valves, valve cages, valve caps, valve restraints, plug unloaders, clearance pocket unloaders, portable flow meters, and capacity control devices

Inline flow meters, insertion flow meters, emission testing instruments for internal combustion engines

Repair of compressor valves, compressor pistons, rods, liners, compressor frames and subsystems and components of internal combustion engines