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1
Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry; unprocessed artificial resins, unprocessed plastics; manures; fire extinguishing compositions; tempering and soldering preparations; chemical substances for preserving foodstuffs; tanning substances; adhesives used in industry.
low and high purity carbon and graphite plate and rod stock
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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.
high purity graphite containers, particularly those for use for or in conjunction with apparatus for melting, casting, or refining materials such as metals, ceramics, and chemicals and including boats, funnels, crucibles, and molds and parts thereof inclusive of block inserts, and those for use in the transport of radio-active materials
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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.
high purity graphite jigs and fixtures for use in the preparation of semiconductor devices, and high purity graphite nuclear reactor components including moderators, reflectors, and thermal columns
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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.
carbon and graphite electrodes and powders for use in spectroscopic analysis apparatus and in other measuring and scientific appliances