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Alarm and electronic security systems - Electronic access control systems. System and components requirements. Original standard BS EN 60839-11-1-2013 (2015) in PDF full version. Additional info + preview on request
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Alarm and electronic security systems - Electronic access control systems. Application guidelines. Original standard BS EN 60839-11-2-2015 in PDF full version. Additional info + preview on request
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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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