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Alarm and electronic security systems - Electronic access control systems. Core interoperability protocol based on Web services. Original standard BS EN 60839-11-31-2017 in PDF full version. Additional info + preview on request

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Alarm and electronic security systems - Electronic access control systems. Access control monitoring based on Web services. Original standard BS EN 60839-11-32-2017 in PDF full version. Additional info + preview on request

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Helical-scan video tape cassette system using 8 mm magnetic tape. 8 mm video - Video subcode (VSC). Original standard BS EN 60843-4-2001 in PDF full version. Additional info + preview on request

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Radiation protection instrumentation. Ambient and/or directional dose equivalent (rate) meters and/or monitors for beta, X and gamma radiation - Portable workplace and environmental meters and monitors. Original standard BS EN 60846-1-2014 in PDF full version. Additional info + preview on request

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Radiation protection instrumentation - Ambient and/or directional dose equivalent (rate) meters and/or monitors for beta, X and gamma radiation Part 2: High range beta and photon dose and dose rate portable instruments for emergency radiation protection purposes (IEC 60846-2:2015, modified). Original standard BS EN 60846-2-2018 in PDF full version. Additional info + preview on request

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GRAFCET specification language for sequential function charts. Original standard BS EN 60848-2013 in PDF full version. Additional info + preview on request

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