Answer: nbs

AnswerCrossword Clue
NBS

Weights-and-measures agcy.

NBS

Notes for special attention: Abbr.

NBS

Footnote abbreviations.

NBS
Latin admonitions to the reader: Abbr.
NBS
U. S. research org.
NBSMeasurements overseer: Abbr.
NBSFed. office of measures formerly
NBSOld measurement agcy.