Breckenridge, F.
(1964),
United States standard for the colors of signal lights:, , National Institute of Standards and Technology, Gaithersburg, MD, [online], https://doi.org/10.6028/NBS.HB.95
(Accessed December 26, 2024)
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United States standard for the colors of signal lights:
Published
Author(s)
Citation
- NBS HB 95
Report Number
NBS HB 95
Pub Type
NIST Pubs
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Created January 1, 1964, Updated May 19, 2023