Objavljen
Establishes uniform conditions for assessing the mechanical and climatic properties of ceramic resonators, describes test methods, gives recommendations for standard values and gives guidance for the use of such resonators.
OBJAVLJEN
IEC 60642:1979 ED1
60.60
Standard objavljen
1. 1. 1979.
OBJAVLJEN
IEC 60642:1979/AMD1:1992 ED1
NAPUŠTEN
IEC 60642 ED2