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

Hartmut Kintzel

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Protective breathing mask

Surgery – Respiratory method or device – Face mask covering a breathing passage
Reexamination Certificate

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Protective hood made of an elastic material

Apparel – Head coverings – Hoods
Patent

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Replaceable lens system

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Lens linings or rims
Reexamination Certificate

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Valved filter connection piece for a gas mask

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

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Profile ID: LFUS-PAI-P-1587025

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