Ключевые слова:
Environment (working)|Piezoelectric devices|Electrical testing|Specification (approval)|Environmental testing|Inspection|Qualification approval|Capability approval|Quality assurance systems|Electric filters|Electromechanical filters|Assessed quality|Test equipment|Approval testing|Electronic equipment and components|Visual inspection (testing)|Testing conditions|Circuits|Ratings|Crystal filters|Thermal testing|Leak tests|Endurance testing|Marking