Switching valve locking on a liquid measuring and dispensing device with twin measuring vessels
DE546798C
Blocking the switchover valve on a liquid meter
DE504971C
Reversing tap lock on a liquid dispenser with twin measuring vessel
DE493166C
Liquid measuring and dispensing device, especially for fermentable liquids such as milk
DE505231C
Fluid measuring device consisting of a measuring and auxiliary pump
DE510173C
Measuring and dispensing device with a measuring container of large capacity and a floating body guided in the container and of approximately the same diameter
