Gas alarms; gasometers being measuring instruments; semiconductor gas sensors for measuring gas concentration; resistance measuring instruments; light-emitting diodes (LEDs); solar batteries; fuel cells; separating membranes for fuel cell; printed circuit boards; electrodes for use in electrodeposition coating; light emitting elements of fluoride single crystals as components of neutron scintillation detectors; crystal sapphire wafers for integrated circuits; crystal aluminum nitride wafers for integrated circuits; single-crystal aluminum nitride substrates used for integrated circuits; semiconductor wafers; solar wafers

'alarm':2 'aluminum':60,69 'batteri':23 'board':33 'cell':25,30 'circuit':32,58,65,75 'coat':39 'compon':48 'concentr':13 'crystal':46,53,59,68 'detector':52 'diod':20 'electrod':34 'electrodeposit':38 'element':42 'emit':19,41 'fluorid':44 'fuel':24,29 'gas':1,8,12 'gasomet':3 'instrument':6,16 'integr':57,64,74 'led':21 'light':18,40 'light-emit':17 'measur':5,11,15 'membran':27 'neutron':50 'nitrid':61,70 'print':31 'resist':14 'sapphir':54 'scintil':51 'semiconductor':7,76 'sensor':9 'separ':26 'singl':45,67 'single-cryst':66 'solar':22,78 'substrat':71 'use':36,72 'wafer':55,62,77,79

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