Prezentul standard stabile?te schema de transmitere a unit??ii SI de timp-seeunda(s). Transmiterea unit??ii SI conform schemei asigur? uniformitatea, precizia ?i legalitatea m?surilor de timp.
STAS 11071/4-1989 history
1989STAS 11071/4-1989 Block diagrams of hierarchy BLOCK DIAGRAM OF HIERARCHY OF MEASURING INSTRUMENTS FOR TIME