
出版:International Electrotechnical Committee

专家解读视频
Specifies the methods of test and general requirements for quartz crystal units of assessed quality using either capability approval or qualification approval procedures.
NEN IEC 61178-1 : 1999 - Identical
DIN IEC 61178-1 : 1995 - Identical
DIN IEC 61178-1 : 1995 - Identical
NEN IEC 61178-1 : 1999 - Identical