Ключевые слова:
Specification (approval)|Marking|Electrical testing|Quartz|Piezoelectric devices|Performance testing|Approval testing|Ratings|Electrical properties of materials|Electronic equipment and components|Ordering|Capability approval|Acceptance (approval)|Electrical equipment|Ageing tests|Quality assurance systems|Crystal resonators|Inspection|Layout|Assessed quality|Performance|Oscillators|Crystals (electronic)|Detail specification