Announcement of changes in electrical and photometric units. Issued May 15, 1947
An edition of Announcement of changes in electrical and photometric units. Issued May 15, 1947 (1948)
By United States. National Bureau of Standards.
Publish Date
1948
Publisher
U.S. Govt. Print. Off.
Language
eng
Pages
-
1-1 of 1 Editions
Announcement of changes in electrical and photometric units. Issued May 15, 1947
Language: eng
Published In: 1948
Publisher: U.S. Govt. Print. Off.