IEEE 305-1969

IEEE Guide for Protective Relay Applications of Audio Tones over Telephone Channels

NORMA vydaná dňa 30.11.1969

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The information about the standard:

Designation standards: IEEE 305-1969
Note: NEPLATNÁ
Publication date standards: 30.11.1969
Approximate weight : 300 g (0.66 lbs)
Country: International technical standard
Kategória: Technické normy IEEE