Biphasic Cuirass Ventilation
Biphasic Cuirass Ventilation
Biphasic Cuirass Ventilation
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Negative Pressure <strong>Ventilation</strong><br />
Woillez‟s “Spirophore”<br />
(1876)<br />
Breuillard‟s<br />
“BathCabinetRespirator”<br />
(1877)