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CH662000A5
(fr)
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Transformateur d'intensite pour courant continu et alternatif.
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FR2685601A1
(fr)
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Transducteur a tension et flexion combinees, commande apr reluctance variable.
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(en)
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Magnet system for loudspeakers
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Acoustic transducer
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BE426717A
(https=)
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A low-inductance electromagnetic drive without driving the magnetic flux circuit
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Hearing aid bone vibrator
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Electrical apparatus
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Magnet assembly
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Electromagnet for sound-reproducing instruments
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磁通跟随音圈的扬声器
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Electrical translating device
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Sound reproducing apparatus
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JP3023579U
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リボン形電気音響変換装置
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KR20080034365A
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마그넷 무빙형 마이크로 스피커 구조
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JP2561359Y2
(ja)
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回路遮断器の電磁引外し装置
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Loud speaker
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CH312261A
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Dispositif moteur sans collecteur, notamment pour instruments de mesure.
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自己保持形継電器
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이중 자기회로부를 갖춘 호온(horn)형 스피커
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Loud speaker
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交流電磁石
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(https=)
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Haut-parleur a modulation magnetique
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BE381927A
(https=)
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