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BE1003572A5
(fr)
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Detecteur de grains perdus pour moissonneuses.
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JPH11196489A
(ja)
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ダイナミックマイクロホン
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US5955824A
(en)
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Reduced size electro-acoustic transducer with improved terminal
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US4456849A
(en)
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Piezoelectric ultrasonic transducer with damped suspension
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JPS6327720B2
(enFirst)
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BE538293A
(enFirst)
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KR20030071626A
(ko)
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초음파 탐촉자 시스템
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FR2466903A1
(fr)
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Transducteur piezoelectrique reglable pour montre
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FR2521382A2
(fr)
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Transducteur acoustique
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US8179024B2
(en)
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Piezoelectric transducer device
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JP2008241542A
(ja)
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球面弾性表面波センサ
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US3550071A
(en)
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Transducer system
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FI74183C
(fi)
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Piezoelektrisk omvandlare.
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US1554794A
(en)
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Loud-speaking device
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JP7351792B2
(ja)
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収音装置
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US1356156A
(en)
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Telephonic receiver
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EP1734787B1
(fr)
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Haut-parleur inertiel sans membrane
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US2404764A
(en)
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Sound receiver
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US2806913A
(en)
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Sound pressure receiver
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US1377521A
(en)
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Serge otjlianine |
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BE438308A
(enFirst)
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CN109218933B
(zh)
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微型发声器件
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US1310011A
(en)
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John gardner |
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BE408767A
(enFirst)
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GB147947A
(en)
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Receiving device for submarine sound signals with a receiving member abutting on the water and a detecting device
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