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6
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.
[ angle relief valves, swing line cable brackets, cable collar clamps, ] rubber plug closure valves, gage and thief covers, pressure and vacuum relief manheads, drip traps, rubber plug gage valves, [ pressure and vacuum relief gage hatches, ] liquid seal valves and units, pressure regulators, vacuum relief valves, anti-freeze drain valves, data valves, cable sheave brackets, check valves (internal), conservation vent valves, manhole covers, drain elbows, explosion relief valves, internal safety valves, swing joints, nozzles and pressure relief valves
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7
Machines and machine tools; motors and engines (except for land vehicles); machine coupling and transmission components (except for land vehicles); agricultural implements other than hand-operated; incubators for eggs.
[ angle relief valves, swing line cable brackets, cable collar clamps, ] rubber plug closure valves, gage and thief covers, pressure and vacuum relief manheads, drip traps, rubber plug gage valves, [ pressure and vacuum relief gage hatches, ] liquid seal valves and units, pressure regulators, vacuum relief valves, anti-freeze drain valves, data valves, cable sheave brackets, check valves (internal), conservation vent valves, manhole covers, drain elbows, explosion relief valves, internal safety valves, swing joints, nozzles and pressure relief valves
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9
Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin-operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire-extinguishing apparatus.
[ angle relief valves, swing line cable brackets, cable collar clamps, ] rubber plug closure valves, gage and thief covers, pressure and vacuum relief manheads, drip traps, rubber plug gage valves, [ pressure and vacuum relief gage hatches, ] liquid seal valves and units, pressure regulators, vacuum relief valves, anti-freeze drain valves, data valves, cable sheave brackets, check valves (internal), conservation vent valves, manhole covers, drain elbows, explosion relief valves, internal safety valves, swing joints, nozzles and pressure relief valves
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11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes.
[ angle relief valves, swing line cable brackets, cable collar clamps, ] rubber plug closure valves, gage and thief covers, pressure and vacuum relief manheads, drip traps, rubber plug gage valves, [ pressure and vacuum relief gage hatches, ] liquid seal valves and units, pressure regulators, vacuum relief valves, anti-freeze drain valves, data valves, cable sheave brackets, check valves (internal), conservation vent valves, manhole covers, drain elbows, explosion relief valves, internal safety valves, swing joints, nozzles and pressure relief valves