Common metals and their alloys; metal building materials; transportable buildings of metal; materials of metal for railway tracks; non-electric cables and wires of common metal; ironmongery, small items of metal hardware; pipes and tubes of metal; safes; goods of common metal not included in other classes; ores; rotating unions

Machines and machine tools; motors and engines (except for land vehicles); machine coupling and transmission components (except for land vehicles); agricultural implements; incubators for eggs; parts and accessories for all the aforesaid goods; rotating unions, air unions, bearingless unions, coolant unions, hot oil unions, hydraulic unions, water unions, hot oil joints, steam joints, rotating siphons, siphon systems, stationary siphons, dryer bars, sealing kits for all said unions and joints and siphons, and turbulence bars

Metal pipe fittings in the nature of rotating pipe couplings and joints

Rotating unions for installation on machine tools

Metal pipe fittings in the nature of rotating pipe couplings and joints

Rotating unions for installation on machine tools