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Stati Uniti d'America - National bureau of standards Safety rules for the operation of electric equipment and lines - comprising part 4. of the 4. edition, National electrical safety code Washington - US Government Printing Office, 1926 Testo Monografico Stati Uniti d'America - National bureau of standards Science on its way to work - activities of the National Bureau of Standards / writer Michael A. Baum ; editor Sharon A. Washburn Washington - National Bureau of Standards, 1978 Testo Monografico Stati Uniti d'America - National bureau of standards Screw-thread standards for federal services 1944 Washington - United States Government printing office, 1945 Testo Monografico Stati Uniti d'America - National bureau of standards Screw-thread standards for federal services 1957 Washington - National Bureau of Standards Testo Monografico Stati Uniti d'America - National bureau of standards Some reference on metric information including charts on all you need to know about metric and metric conversion factors Washington - U.S. Department of Commerce, national Bureau of Standards, 1974 Testo Monografico Stati Uniti d'America - National bureau of standards Standard frequencies and time Signals from NBS stations WWV and WWVH Washington - Department of Commerce, 1960 Testo Monografico Stati Uniti d'America - National bureau of standards Standard materials - A descriptive list with prices / issued by the National Bureau of Standards Washington - National Bureau of Standards, 1962 Testo Monografico Stati Uniti d'America - National bureau of standards Standard reference materials 1975 price list Washington - U.S. Department of Commerce, National Bureau of Standards, 1975 Testo Monografico Stati Uniti d'America - National bureau of standards Standard reference materials - enthalpy and heat capacity standard reference material - molybdenum SRM 781, from 273 to 2800 K. / (di) D.A. Ditmars, A. Cezairliyan, S. Ishihara and T.B. Douglas Washington - Deparment of Commerce, National Bureau of Standards, 1977 Testo Monografico Stati Uniti d'America - National bureau of standards Standard samples / issued or in preparation by the National bureau of standards Washington - Government printing office, 1944 Testo Monografico Stati Uniti d'America - National bureau of standards Standard samples / issued or in preparation by the National bureau ofstandards Washington - Government printing office, 1935 Testo Monografico Stati Uniti d'America - National bureau of standards Standard samples - general information / Us Department of commerce, Bureau of standards Washington - US Government printing office, 1932 Testo Monografico Stati Uniti d'America - National bureau of standards Standard samples and reference standards / issued by the National Bureau of standards Washington - Department of commerce, National Bureau of standards, 1951 Testo Monografico Stati Uniti d'America - National bureau of standards Standard X-ray diffraction - powder patterns - section 14-data for 68 substances / Marlene C. Morris ... (ed altri) Washington - U. S. Department of Commerce - National Bureau of Standards, 1977 Testo Monografico Stati Uniti d'America - National bureau of standards Standardization in support of development - proceedings of a seminar held at the National Bureau of Standards, Gaithersburg, Maryland, October 17-18, 1977 / edited by H. Steffen Peiser and John A. Birch Washington - National Bureau of Standards, 1978 Testo Monografico