Condensing installations, namely, air to water heat exchangers being parts of machines; steam condensers being parts of machines; [ water heaters being parts of machines; water separators being parts of machines; steam engines; ] heat exchangers being parts of machines [ ; steam engine boilers; feeding apparatus for engine boilers, namely, centrifugal pumps; pumps for heating installations; filtering machines, namely, machines with paper filter for removing solids and contaminants from liquid...

Aqueous and non-aqueous distillation units and solvent fractionators for reclamation of chemicals waste for use in laboratories and manufacturing facilities