Blease 'Pulmoflator' with positive-negative phases by...
Blease 'Pulmoflator' with positive-negative phases by Blease
Blease 'Pulmoflator' with positive-negative phases by Blease Anaesthetic Equipment Ltd., 12 Hinde Street, London W.1.; British Patent No. 695586, German Patent No. 876317, USA Patent No. 2.591.120, British Patent No. 649229