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JP5317074B2
(ja)
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レーザ照明装置
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JP2007233371A
(ja)
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レーザ照明装置
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(fr)
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Appareil d'enregistrement par points
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Soft and line laser
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Objectif photographique a focale variable en continu
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Photographic sound recorder
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Method of and apparatus for recording and reproducing sounds
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Sound recording and reproducing system
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Sound-recording apparatus
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Illuminating device for projecting sound films
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Optical sound recording and reproducing system
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(en)
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Sound recording
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(ru)
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Лазер с перестраевымым спектром генерации
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Method and apparatus for recording and reproducing sound
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Photoelectric converter
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Apparatus for recording and reproducing sound
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Photo-electric means for reproducing sound from graphical records
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Sound recording and reproducing |
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Sound recording system
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Recording and reproducing sound
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Oscillograph galvanometer
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