ZERN ENGINEERING

Water-pipes of metal; roof gutters of metal; gutter pipes of metal; chimney cowls of metal; chimneys of metal; chimney shafts of metal; drain pipes of metal; clips of metal for cables and pipes; junctions of metal for pipes; water-pipe valves of metal; drain traps of metal; drain pipes of metal; chimney pots of metal; manifolds of metal for pipelines; elbows of metal for pipes; reinforcing materials of metal for pipes; pipe muffs of metal; penstock pipes of metal; casings of metal for oilwells; fireplace grates of metal; gratings of metal; furnace fireguards of metal; ducts of metal for ventilating and air-conditioning installations; ducts of metal, for central heating installations; pipes of metal; steel pipes; pipework of metal; fittings of metal for compressed air lines

Vacuum pumps; fans for motors and engines; machine tools for forming, riveting, swaging, and flaring of metal and plastics; centrifugal pumps; hydrogen dispensing pumps for service stations; air suction machines for industrial purposes; emergency power generators; alternators; dynamos; bicycle dynamos; current generators; motors, other than for land vehicles; electricity generators; motors, electric, other than for land vehicles; control cables for machines, engines or motors, namely, hydraulic controls for machines, motors and engines; compressors for machines; compressors for refrigerators; condensing installations, namely, air condensers; blades being parts of machines; machine fly-wheels; pump diaphragms; hydraulic controls for machines, motors and engines; control mechanisms for machines, engines or motors, namely, pneumatic controls for machines, motors and engines; pneumatic controls for machines, motors and engines; pressure valves being parts of machines; superchargers, namely, turbochargers for machines; pumps being parts of machines, engines and motors; dust removing installations for cleaning purposes; dust exhausting installations for cleaning purposes; steam engines not for land vehicles; steam traps, namely, valves being parts of machines; fan belts for motors and engines; dynamo belts; belts for motors and engines; vacuum cleaners; touchless stationary vacuums; compressed air pumps; pneumatic tube conveyors; air suction machines; blowing machines, namely, power operated blowers; blowing machines for the compression, sucking and carrying of grain; blowing machines for the compression, exhaustion and transport of gases; air condensers; compressed air pumps; cleaning appliances utilizing steam; cooling radiators for motors and engines; jet engines, other than for land vehicles; regulators being parts of machines; speed governors for machines, engines and motors; pressure regulators being parts of machines; reduction gears, other than for land vehicles; pressure reducers being parts of machines; starters for motors and engines; stators being parts of machines; heat exchangers being parts of machines; boiler tubes being parts of machines; wind turbines; turbines, other than for land vehicles; turbocompressors; driving motors, other than for land vehicles; filters for cleaning cooling air, for engines; air filters being parts of machines or engines; pulleys being parts of machines; brushes being parts of machines; carbon brushes being parts of machines; dynamo brushes; brushes, electrically operated being parts of machines; spin dryers not heated

Water-pipes, not of metal; gutter pipes, not of metal; street gutters, not of metal; chimney cowls, not of metal; chimneys, not of metal; chimney pots, not of metal; lengthening pieces, not of metal, for chimneys, namely, chimney pots not of metal; drain pipes, not of metal; roof gutters, not of metal; sandstone pipes; water-pipe valves, not of metal or plastic; drain traps, namely, water-pipe valves, not of metal or plastic; chimney pots, not of metal; penstock pipes, not of metal, namely, non-metal water pipes; branching pipes, not of metal; ducts, not of metal, for ventilating and air-conditioning installations; rigid pipes, not of metal, for building