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IEC 60642:1979 ed1.0

Действует
Piezoelectric ceramic resonators and resonator units for frequency control and selection - Chapter I: Standard values and conditions - Chapter II: Measuring and test conditions — 25 стр.
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.
ICS
31.140 Piezoelectric devices / Пьезоэлектрические и диэлектрические приборы