by Jan Willem Bech | Database OX GER
de The Hilfsatmer 186 and 220 (Neurode) The Hilfsatmer model 186 (1942) and model 220(B) (1945)are back-worn oxygen rebreather of the pendulum principle.The Dräger Hilfsatmer (Supporting breathing device) was approved for underground operation in the Ruben mine by the...
