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The European respirator standards refer to the filtering classification by EN 149, EN 14683, and EN 143, all European standards of testing and marking requirements for respirators. [1] FFP standard masks (where FFP stands for filtering facepiece) [ 2 ] cover the nose, mouth and chin and may have inhalation and/or exhalation valves.
Download as PDF; Printable version; In other projects ... This is an incomplete list of DIN standards. ... DIN 267-2: Fasteners – Part 2: Technical delivery ...
Download as PDF; Printable version; In other projects Wikimedia Commons; Wikidata item; ... List of DIN standards; 0–9. DIN ISO 6; DIN ISO 216; DIN 276; DIN 323 ...
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Health Level Seven, abbreviated to HL7, is a range of global standards for the transfer of clinical and administrative health data between applications with the aim to improve patient outcomes and health system performance. The HL7 standards focus on the application layer, which is "layer 7" in the Open Systems Interconnection model.
Health Level Seven International (HL7) is a non-profit ANSI-accredited standards development organization that develops standards that provide for global health data interoperability. The 2.x versions of the standards are the most commonly used in the world.