4. Surgery
  5. Respiratory method or device
  6. Means for removing substance from respiratory gas

Karl Metzger

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Process for the fabrication of a multi-blade tool

Metal tools and implements – making – Blank or process – Drill
Patent

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Protective cover for respirator filter

Medical and laboratory equipment – Equipment for diagnosis – analysis – or treatment – Article for the introduction – removal or collection of fluids
Patent

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Respirator filter protective cover

Surgery – Respiratory method or device – Means for removing substance from respiratory gas
Reexamination Certificate

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Respirator filtration device

Surgery – Respiratory method or device – Means for removing substance from respiratory gas
Patent

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Respirator filtration device

Surgery – Respiratory method or device – Means for removing substance from respiratory gas
Patent

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Profile ID: LFUS-PAI-P-104589

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