
Sectional Specification; Quartz Crystal Units (qualification Approval)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
Applicable to quartz crystal units whose quality is assessed on the basis of qualification approval.
EN 168200:1993 - Identical
NEN EN 168200:1997 - Identical
BS EN 168200:1996 - Identical
I.S. EN 168200:1994 - Identical
SS EN 168200 Ed. 1 (1995) - Identical