Announcement of changes in electrical nad photometric units. Issued May 15, 1947.
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Corporate author / creator: | United States. National Bureau of Standards |
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Imprint: | Washington, U.S. Govt. Print. Off., 1947. |
Description: | ii, 7 p. 23 cm. |
Language: | English |
Series: | Circular of the Bureau of Standards ; no. 459 |
Subject: | |
Format: | Print Book |
URL for this record: | http://pi.lib.uchicago.edu/1001/cat/bib/3946406 |
Notes: | At head of title : U. S. Dept. of Commerce. National Bureau of Standards. "Selected references": p. 7. |
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