4. Acoustics
  5. Anatomic or prosthetic relation
  6. Ear and mouth

Doctors Research Group

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Elastomeric anti-microbial stethoscope diaphragm

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Reexamination Certificate

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Method of producing and making use of ear tips having a...

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Reexamination Certificate

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