File:NIST-F4.png
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Summary
| Description |
English: Atomic Clock NIST-F4 (2023) |
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| Source | |
| Date | |
| Author |
National Institute of Standards and Technology - Physics Laboratory: Time and Frequency Division |
| Permission (Reusing this file) |
 This image is a work of the National Institute of Standards and Technology, taken or made as part of that person's official duties. As works of the U.S. federal government, all NIST images are in the public domain in the United States. 
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Licensing
This image is a work of the National Institute of Standards and Technology, taken or made as part of that person's official duties. As works of the U.S. federal government, all NIST images are in the public domain in the United States.