Electrocardiographs and their accessories; medical apparatus and instruments for stress test, and their accessories; holter electrocardiographs and their accessories; medical apparatus and instruments for patient monitoring system, and their accessories; medical apparatus and instruments for pulmonary function test; medical apparatus and instruments for home patient care; central telemetry receivers; multiple gas monitors; ultrasonic diagnostic imaging equipment and auxiliary instruments; medical apparatus and instruments for therapy use, especially for resuscitation and defibrillators.;