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n 90

n 90, Total:5 items.

In the international standard classification, n 90 involves: .

ITU-T - International Telecommunication Union/ITU Telcommunication Sector, n 90

• ITU-T N.90-1993 Maintenance of International Videoconference Systems Operating at Transmission Bit Rates of 1544 and 2048 kbit/s - Maintenance of International Sound- Programme and Television Transmission Circuits (Study Group IV) 8 pp
• ITU-T N.90-1989 Maintenance of International Videoconference Systems Operating at Transmission Bit Rates of 1544 and 2048 kbit/s - Maintenance of International Sound-Programme and Television Transmission Circuits (Study Group IV; 4 pp)
• ITU-T N.90 FRENCH-1993 Maintenance of International Videoconference Systems Operating at Transmission Bit Rates of 1544 and 2048 kbit/s
• ITU-T N.90 SPANISH-1993 Maintenance of International Videoconference Systems Operating at Transmission Bit Rates of 1544 and 2048 kbit/s

FI-SFS, n 90

• SFS B.8.51-1959

Others:   as 90, astm+a90/a90m, pn 90, n 90, astm90, no 2377/90, a90, Sign 90, Silicone 90, n/a, -1n/n, d90x90, as-90, na, Helium 90, Tungsten 90, n%a, Lower 90, n.max.n, /90 vibrations.