| http://www.w3.org/ns/prov#value | - 20150059743VENTILATOR - Provided is a ventilator for supplying a mixed gas of oxygen and a medical gas other than oxygen to a patient as an inhalation gas, including a first gas supply device for supplying a gas containing oxygen, an intratracheal tube path inserted and placed in a trachea of the patient, an extratracheal tube path for connecting the first gas supply device with the intratracheal
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