4. Expansible chamber devices
  5. Collapsible chamber wall portion
  6. Wall portion formed of flexible material

Donald J. Novkov

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Diaphragm of the rolling type having a membrane portion and a re

Expansible chamber devices – Collapsible chamber wall portion – Wall portion formed of flexible material
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Medical ventilator

Surgery – Respiratory method or device – Means for supplying respiratory gas under positive pressure
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1504037

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