74534426
Jun 7, 1994
Feb 18, 1997
pipeline compressor systems comprising motor compressors, variable frequency drives, electronic controls, unit piping and valves, unit vessels, heat exchangers, and other associated electrical equipment, namely, high voltage switch gear, input and output transformers, instrumentation transmitters, and the buildings housing the equipment sold as a unit, for transporting large volumes of gas through pipelines
Machinery