Solar batteries; mechanical signs; silicon slices in the nature of wafers; resistance measuring instruments; neon signs; optical lanterns; optical lamps, namely, light diodes; signal lanterns, namely, traffic-light apparatus; rotating signalling lights; electroplating machines; galvanizing machines; batteries; galvanic cells

'apparatus':30 'batteri':2,38 'cell':40 'diod':23 'electropl':34 'galvan':36,39 'instrument':14 'lamp':20 'lantern':18,25 'light':22,29,33 'machin':35,37 'measur':13 'mechan':3 'name':21,26 'natur':9 'neon':15 'optic':17,19 'resist':12 'rotat':31 'sign':4,16 'signal':24,32 'silicon':5 'slice':6 'solar':1 'traffic':28 'traffic-light':27 'wafer':11

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