
IEEE Standard Definitions of Physical Quantities for Fundamental Frequency and Time Metrology
NORMA vydaná dňa 28.4.1989
Designation standards: IEEE 1139-1988
Note: NEPLATNÁ
Publication date standards: 28.4.1989
Approximate weight : 300 g (0.66 lbs)
Country: International technical standard
Kategória: Technické normy IEEE