Name: AV-2000B1 Ventilator(portable type) Number: 4171554016	Name: AV-2000B1 Ventilator(vertical type) Number: 4171552216
Name: AV-2000B2 Ventilator Number: 41715485316	Name: AV-2000B3 Ventilator (economy type) Number: 41715413316
Name: AV-2000B3 Ventilator (high-grade type) Number: 41715382616