87469944
May 31, 2017
energy recovery devices, namely, pressure exchangers; energy recovery devices, namely, pressure exchangers for use in the field of water treatment, water purification, and desalination; pressure transferors, namely, energy transfer machines having a multi-channel rotor for the transfer of pressure between high and low pressure fluids, particularly for the water treatment industry, including component parts and instruction manuals sold as a unit therewith
Machinery