Device for heating and ventilating rooms, in particular rail vehicles
DE636879C
Gas pressure regulator with control flow membrane regulator
DE643468C
Tilting mechanism for single-bellows gas knife
DE638673C
Reversing mechanism for Einbalggasmesser
DE651016C
Double tariff coin mechanism, especially for gas meters
DE633363C
Device for the electrical control of a heater with a heat exchanger connected to the heater for the cooling water of an internal combustion engine and the heat source of a heating boiler, especially for rail vehicles
DE639417C
Air heaters for air heating, in particular for rail vehicles
DE647868C
Monitoring device for signal systems, in particular for railway turn signals on overpasses
DE633362C
Frost protection system for vehicles operated with internal combustion engines, especially railway vehicles
GB439772A
An improved process for simultaneously washing light hydrocarbons and naphthalene out of gases
DE641398C
Control device for circulation steam heating of railway vehicles
DE632500C
Switching device for lines, especially for the ducts of air heating systems for railway vehicles
DE647356C
Process for removing carbonate hardness from feed water for steam boilers or evaporators
DE629445C
System for the generation of water gas by means of a circulating gas stream circulating through the gas generator and regenerator chambers
DE624655C
Volume reducer whose transmitter consists of a diving bell
DE643261C
Glass lens plate for light signals
DE621666C
Charging device for hydrocarbon gas generators
DE618514C
Arrangement for connecting a closed and an open power line
DE622857C
Volume reducer
DE627982C
Volume reducer taking into account the humidity of the gas to be measured
