Report of the twenty-third National conference on weights and measures : attendes by representatives from various states : held at the Bureau of standards, Washington, D.C., June 3, 4, 5, and 6, 1930.
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| Typ dokumentu: | Kniha |
| Jazyk: |
angličtina |
| Vydavatel: |
Washington :
Government Printing Office,
1931.
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| Edice: |
Miscellaneous publications ;
No. 116 |
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