EFIS: ECO Frequency Information System
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What is the full form of EFIS?
EFIS stands for ECO Frequency Information System. Fullformexpand.com has 19 other full forms for abbreviation EFIS.
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"EFIS." Fullformexpand.com, https://www.fullformexpand.com/efis/204748. Accessed 10 Jan. 2026.
Fullformexpand.com, 2026. "EFIS." Accessed January 10, 2026. https://www.fullformexpand.com/efis/204748.
"EFIS." (n.d.). Fullformexpand.com. Retrieved January 10, 2026, from https://www.fullformexpand.com/efis/204748.
EFIS. (2026). Fullformexpand.com. Available at: https://www.fullformexpand.com/efis/204748 (Accessed: 10 January 2026).
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