Apparatus for wireless transmission of acoustic information; Circuit boards; Computer circuit boards; Discharge tubes, electric, other than for lighting; Electric discharge tubes, other than for lighting; Electronic circuit board; Laser pointers; Lasers, not for medical purposes; Optical lamps; Optical lanterns; Optical lenses; Vacuum tubes for radios

'acoust':6 'apparatus':1 'board':9,12,29 'circuit':8,11,28 'comput':10 'discharg':13,21 'electr':15,20 'electron':27 'inform':7 'lamp':38 'lantern':40 'laser':30,32 'lens':42 'light':19,26 'medic':35 'optic':37,39,41 'pointer':31 'purpos':36 'radio':46 'transmiss':4 'tube':14,22,44 'vacuum':43 'wireless':3

HM LASER

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