IEC: 857 (Amendment No. 1); Pre-recorded optical reflective videodisk system "Laser-vision" 60 Hz/525 lines-M/NTSC

INTERNATIONAL ELECTROTECHNICAL COMMISSION

IEC: 857 (Amendment No. 1); Pre-recorded optical reflective videodisk system "Laser-vision" 60 Hz/525 lines-M/NTSC - GENEVA IEC 1991 - 7

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