CECC 68200 : 90 AMD 1 93
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
QUARTZ CRYSTAL UNITS (QUALIFICATION APPROVAL): SECTIONAL SPECIFICATION
23-07-2013
12-01-2013
Applies to quartz crystal units whose quality is assessed on the basis of qualification approval. Gives preferred ratings and characteristics, with appropriate tests and measuring methods contained in the generic specification CECC 68 000, and gives general performance requirements to be used in detail specifications for quartz crystal units.
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