Graphite electrodes for refinement or machining such as graphite electrodes for steel making or graphite electrodes for electric discharge machining; fuel cells; laboratory equipment, namely, crucibles for melting or refining metal or silicon

'cell':22 'crucibl':26 'discharg':19 'electr':18 'electrod':2,10,16 'equip':24 'fuel':21 'graphit':1,9,15 'laboratori':23 'machin':6,20 'make':13 'melt':28 'metal':31 'name':25 'refin':4,30 'silicon':33 'steel':12

Crucible materials for melting or refining metal or silicon, namely, crucibles of common metal and their alloys

'alloy':17 'common':13 'crucibl':1,11 'materi':2 'melt':4 'metal':7,14 'name':10 'refin':6 'silicon':9

Heating elements used for sintering ceramics, refinement or heat treatment of semiconductor parts; heat exchangers for chemical plants for which chemical resistance is required; metal reclaimer, namely, a foundry crucible for reclaiming metal from dross during processing

'ceram':6 'chemic':17,21 'crucibl':30 'dross':35 'element':2 'exchang':15 'foundri':29 'heat':1,9,14 'metal':25,33 'name':27 'part':13 'plant':18 'process':37 'reclaim':26,32 'refin':7 'requir':24 'resist':22 'semiconductor':12 'sinter':5 'treatment':10 'use':3

'brush':5 'electr':1 'motor':4 'name':3 'part':2

Chemical oxidants for use in the manufacture of printed circuits

'chemic':1 'circuit':10 'manufactur':7 'oxid':2 'print':9 'use':4

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