Rules for the preparation of detail specifications for welded seal quartz crystal units of assessed quality for oscillator applications. General application category.
NORMA vydána dne 28.2.1973
Designation standards: BS 9612:1973
Note: NEPLATNÁ
Publication date standards: 28.2.1973
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategorie: Technické normy BS