STB PDF

Electromechanical telecom elementary relays of assessed quality - Generic specification and blank detail specification. Original standard UNE-EN 61811-1-2015 in PDF full version. Additional info + preview on request

Document status: Active

Electrical installations for lighting and beaconing of aerodromes - Maintenance of aeronautical ground lighting constant current series circuits. Original standard UNE-EN 61821-2015 in PDF full version. Additional info + preview on request

Document status: Active

Microwave ferrite components - Measuring methods for major properties. Original standard UNE-EN 61830-1998 in PDF full version. Additional info + preview on request

Document status: Withdrawn

Recording. Helical-scan digital video cassette recording system using 6,35 mm magnetic tape for consumer use (525-60, 625-50, 1125-60 and 1250-50 systems) - DTV format. Original standard UNE-EN 61834-10-2001 in PDF full version. Additional info + preview on request

Document status: Active

Recording - Helical-scan digital video cassette recording system using 6,35 mm magnetic tape for consumer use (525-60, 625-50, 1125-60 and 1250-50 systems) - Part 2- SD format for 525-60 and 625-50 systems. Original standard UNE-EN 61834-2-1998 in PDF full version. Additional info + preview on request

Document status: Active

Recording - Helical-scan digital video cassette recording system using 6,35 mm magnetic tape for consumer use (525-60, 625-50, 1125-60 and 1250-50 systems) - Part 4- Pack header table and contents. Original standard UNE-EN 61834-4-1998 in PDF full version. Additional info + preview on request

Document status: Active