Report of the 54Th National Conference on Weights and Measures 1969: Sponsored by the National Bureau of Standards, Attended by Officials from the Various States, Counties, and Cities, and Representatives from U.S. Government, Industry

Report of the 54Th National Conference on Weights and Measures 1969: Sponsored by the National Bureau of Standards, Attended by Officials from the Various States, Counties, and Cities, and Representatives from U.S. Government, Industry