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  4. Standard "IEEE C37.93-1987"
WITHDRAWN IEEE C37.93-1987 28.12.1987 preview

IEEE C37.93-1987

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



STANDARD published on 28.12.1987


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Price66.00 USD excl. VAT
66.00 USD

The information about the standard:

Designation standards: IEEE C37.93-1987
Note: WITHDRAWN
Publication date standards: 28.12.1987
SKU: NS-417345
Approximate weight : 300 g (0.66 lbs)
Country: International technical standard
Category: Technical standards IEEE

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