Oscillators; monolithic crystal filters; antennae filters; computer screen filters; optical filters; electronic circuits recording programs for amusement apparatus for use with liquid crystal screens; liquid crystal displays; liquid crystal display projectors; transducers that utilize ultrasonic oscillations to test for stress and fatigue in metal and metal structures; transducers that utilize ultrasonic oscillations to treat and reduce stress and fatigue of metal and metal structures; silicon wafers; structured semi-conductor wafers

'amus':17 'antenna':5 'apparatus':18 'circuit':13 'comput':7 'conductor':70 'crystal':3,23,26,29 'display':27,30 'electron':12 'fatigu':42,59 'filter':4,6,9,11 'liquid':22,25,28 'metal':44,46,61,63 'monolith':2 'optic':10 'oscil':1,36,52 'program':15 'projector':31 'record':14 'reduc':56 'screen':8,24 'semi':69 'semi-conductor':68 'silicon':65 'stress':40,57 'structur':47,64,67 'test':38 'transduc':32,48 'treat':54 'ultrason':35,51 'use':20 'util':34,50 'wafer':66,71

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