4. Electrical audio signal processing systems and devices
  5. Stethoscopes, electrical

Birger Orten

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Auscultation apparatus

Electrical audio signal processing systems and devices – Stethoscopes – electrical
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Erection aid

Surgery – Sexual appliance
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Head phone

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Plural or compound reproducers
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Mechano-electrical sensor

Measuring and testing – Vibration – Sensing apparatus
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Pick-up head for an electronic stethoscope

Electrical audio signal processing systems and devices – Stethoscopes – electrical
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Profile ID: LFUS-PAI-P-2149117

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