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summary
305-1969 - IEEE Guide for Protective Relay Applications of Audio Tones over Telephone Channels
description
Standard number: 305-1969. Status: Superseded. DOI: 10.1109/IEEESTD.1969.7405225
Details
Publisher
IEEE
File size
2.84 MB
Pages
25
Format
PDF
Publication date
1969-12-01