NEN 10857 : 1988 AMD 2 1997
Current
The latest, up-to-date edition.
PRE-RECORDED OPTICAL REFLECTIVE VIDEODISK SYSTEM "LASER VISION" 60 HZ/525 LINES - M/NTSC
12-01-2013
Applicable to pre-recorded optical reflective videodisks compatible with 60 Hz/525 lines CCIR monochrome and colour coding M/NTSC systems, and defines those parameters that effect the interchangeability of the disks, excluding limitations of the programming material and source.
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