A portable vaporising spray gun for applying liq. to wounds comprise a jar to hold the liq. and closed by a stopper having a side inlet for a propellant gas which is directed through a passage across the open top of a dip tube so that Venturi action ensures that the gas carriers ...
A portable vaporising spray gun for applying liq. to wounds comprise a jar to hold the liq. and closed by a stopper having a side inlet for a propellant gas which is directed through a passage across the open top of a dip tube so that Venturi action ensures that the gas carriers ...