Report of the 53d National Conference on Weights and Measures 1968; Sponsored by the National Bureau of Standards, Attended by Officials from the Various States, Counties, and Cities, and Representatives from U.S. Government, Industry
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Recensies van Report of the 53d National Conference on Weights and Measures 1968; Sponsored by the National Bureau of Standards, Attended by Officials from the Various States, Counties, and Cities, and Representatives from U.S. Government, Industry door R. L. Koeser & R. L Koeser