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Detecteur de grains perdus pour moissonneuses.
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Ultrasonic transducer with a piezoelectric element
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Reduced size electro-acoustic transducer with improved terminal
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Ultrasonic transmitter-receiver
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Piezoelectric vibrational and acoustic alert device
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Electrostatic microphone with damping to improve omnidirectionality, flatten frequency response, reduce wind noise
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Transducteur piezoelectrique reglable pour montre
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Piezoelectric transducer device
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Transducer system
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Piezoelektrisk omvandlare.
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Loud-speaking device
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収音装置
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Telephonic receiver
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Sound receiver
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Installation electronique de signal-avertisseur notamment pour vehicules automobiles.
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Sound pressure receiver
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Serge otjlianine |
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微型发声器件
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John gardner |
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