Ключевые слова:
Acceptance (approval), Electric filters, Quality assurance systems, Endurance testing, Visual inspection (testing), Definitions, Terminology, Dimensions, Marking, Quality control, Acoustic filters, Acoustic wave devices, Capability approval, Electronic equipment and components, Piezoelectric devices, Electrical components, Qualification approval, Electrical testing, Symbols, Environmental testing, Mechanical testing, Assessed quality, Acoustic equipment, Electrical equipment