Registration number (WIID)Project No.TitleStatus
43678HD 483.5 S2:1994Sound system equipment - Part 5: LoudspeakersAtcelts
43087HD 507 S1:1988Time and control code for video tape recordersAtcelts
43139HD 514 S1:1989Pre-recorded optical reflective videodisk system - 'Laser vision' 50Hz/625 lines - PALAtcelts
42659HD 527 S1:1989Measuring method for chrominance signal-to-random noise ratio for video tape recordersAtcelts
45343HD 529 S1:1989Compact disc digital audio systemAtcelts
54333HD 531 S1:1989Helical-scan video tape cassette system using 8 mm magnetic tape - Video 8Atcelts
54901HD 544 S1:1989Audio recording - PCM encoder/decoder systemAtcelts
54409HD 549 S1:1989Conference systems - Electrical and audio requirementsAtcelts
50291HD 560.1 S1:1990Methods of measurement on radio receivers for various classes of emission - Part 1: General considerations and methods of measurement, including audio-frequency measurementsAtcelts
57504HD 560.3 S1:1992Methods of measurement on radio receivers for various classes of emission - Part 3: Receivers for amplitude-modulated sound-broadcasting emissionsAtcelts
Displaying 541-550 of 835 results.