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US9412347B2
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Device for vibrating a stringed instrument
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CN217721457U
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同轴扬声器
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Transducteur electro-acoustique.
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長円もしくは楕円形のスピーカ装置
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Base de haut-parleur
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Sound reinforcement enclosure employing cone loudspeaker with annular central loading member and coaxially mounted compression driver
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Acoustic loudspeaker with energy absorbing bearing and voice coil, and selective sound dampening and dispersion
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スピーカ装置
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BE338038A
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FR2570238A1
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Vibrateur electromecanique audio-frequence, destine a la reproduction de vibrations ressenties par le corps humain
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WO2021033226A1
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スピーカユニット、及びスピーカ湾曲振動板
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KR102620563B1
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초슬림형 스피커
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US20070189553A1
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Cylindrically shaped stage monitor
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KR970002298Y1
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다중콘 스피커
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장방형 스피커 모듈
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KR20060133749A
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동축형 스피커
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听觉助听器
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スピーカ装置
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宽频带同轴扬声器
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一种扩散罩及高音扬声器
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スピーカーの取り付け金具
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スピーカ
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一种高音质同轴扬声器
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TWI804679B
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揚聲器單元及揚聲器
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