4. Surgery
  5. Respiratory method or device
  6. Gas produced by electrolysis or chemical reaction

Harald Heyer

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Chemical oxygen generator

Chemical apparatus and process disinfecting – deodorizing – preser – For deodorizing of – or chemical purification of – or... – Including means adding material into environmental gas
Patent

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Device for generating oxygen

Surgery – Respiratory method or device – Gas produced by electrolysis or chemical reaction
Patent

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Profile ID: LFUS-PAI-P-1212135

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