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IEC TS 61994-4-1:2001 ed1.0

Заменен
Piezoelectric and dielectric devices for frequency control and selection - Glossary - Part 4-1: Piezoelectric materials - Synthetic quartz crystal — 13 стр.
Is a technical specification giving the terms and definitions for synthetic quartz single crystals representing the present state-of-the-art, which are intended for manufacturing piezoelectric elements for frequency control and selection.
ICS
31.140 Piezoelectric devices / Пьезоэлектрические и диэлектрические приборы