DK-VALVE

Metal pipes and fittings therefor; metal fittings for rigid pipes; ring-shaped fittings of metal; ferrules of metal for pipes; fittings of metal for compressed air lines; fittings of metal for flexible pipes; pipe fittings of metal; valves of metal for gas piping, other than parts of machines; metal valves for containers for compressed gas; globe valves of metal, other than for machines; butterfly valves of metal, other than for machines; ball valves of metal, other than for machines; check valves of metal, other than for machines; metal pipe couplings for fastening; pipe straps of metal; metal pipe connectors; pipe joints of metal; pipe clamps of metal; elbows for pipes of metal; compression fitting of metal for pipes; rotating junctions of metal for pipes; metal valves for containers for compressed gas; valves of metal, other than parts of machines; gate valves of metal, other than for machines

Integrated fuel cell hybrid power generators and parts and fittings therefor; control valves for regulating the flow of gases and liquids [parts of machines]; gate valves for parts of machine other than for land vehicles; valves other than for land vehicles [parts of machines]; butterfly valves being parts of machines; dispensing valves being machine parts; valves [parts of machines]; ball valves being parts of machines; proportional flow valves being parts of machines; pressure valves [parts of machines]; exhaust valves [parts of engines]; injection valves [parts of engines]; hydrogen refueling robots, namely, hydrogen fuel pumps and parts and fittings therefor for home stations and service stations; integrated fuel cell power generating apparatus and sub-apparatus comprised of valves, pumps, compressors, pressure regulators, heat exchangers; hydrogen dispensing equipment for service stations and parts and fittings therefor; fuel cell power generators and parts and fittings therefor; chemical machines for industrial purpose and parts and fittings therefor

Fuel cells; fuel cell electrodes; electrolyte board for fuel cells; hydrogen fuel cells and parts and fittings therefor; hydrogen power storage apparatus and parts and fittings therefor; fuel cell stacks and parts and fittings therefor