Rank | Abbreviation | Meaning |
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***** | IFRF | Intermediate Frequency/Radio Frequency
| |
***** | IFRF | International Financial Reporting Standards
| |
***** | IFRF | Inverse Frequency Response Function
| |
**** | IFRF | Individual Flight Record and Flight
| |
**** | IFRF | Internet Fax Routing Forum
| |
**** | IFRF | Inducing Features of Random Fields
| |
**** | IFRF | Individual Flight Record Folder
| |
**** | IFRF | International Flame Research Foundation
| |
**** | IFRF | Institut Fédéral de Recherches Forestières
| |
**** | IFRF | Ising Ferromagnet in a Random Field
| |
*** | IFRF | Institutet för Rättsvetenskaplig Forskning
| |
** | IFRF | In-Flight Re-Fueling
| |
* | IFRF | Institut Fnr Recycling Fachhoc
| |