Alphabetical index and numerical list of United States Government master specifications promulgated by the Federal specifications Board.

Eitemau Tebyg

• Alphabetical index and numerical list of Federal specifications promulgated by the Federal Specifications Board.
  Cyhoeddwyd: (1929)
• Periodicals and serials received in the library of the National Bureau of Standards, April 1955 /
  Cyhoeddwyd: (1955)
• Research associates at the Bureau of Standards.
  Cyhoeddwyd: (1926)
• Testing by the National Bureau of Standards : policy, general information, fee schedule.
  Cyhoeddwyd: (1949)
• National Bureau of Standards : its functions and activities.
  Cyhoeddwyd: (1925)