instruction manuals for computer programs in the field of optical transmission and printed teaching material in the field of optical transmission; namely, technical data brochures

'brochur':25 'comput':4 'data':24 'field':8,18 'instruct':1 'manual':2 'materi':15 'name':22 'optic':10,20 'print':13 'program':5 'teach':14 'technic':23 'transmiss':11,21

apparatus and instruments for optical transmission; namely, lasers and light emitting diodes, photo-detectors, optical transmitters, optical receivers, optical generators, optical switches, optical amplifiers, optical modulators, optical couplers, optical cables, optical waveguides; control circuitry; computers; microprocessors; and cables for electrical or optical signal transmission

'amplifi':25 'apparatus':1 'cabl':31,39 'circuitri':35 'comput':36 'control':34 'coupler':29 'detector':15 'diod':12 'electr':41 'emit':11 'generat':21 'instrument':3 'laser':8 'light':10 'microprocessor':37 'modul':27 'name':7 'optic':5,16,18,20,22,24,26,28,30,32,43 'photo':14 'photo-detector':13 'receiv':19 'signal':44 'switch':23 'transmiss':6,45 'transmitt':17 'waveguid':33

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