Procedure and facility for dispatching agent from at least one h

Procedure and means for controlling volumetric flow rate in air-

Procedure and means for making the effect of gravity the same in

Procedure for cleaning a double seat valve and valve arrangement

Procedure for forming cocks closable by freezing, belonging to a

Process and an apparatus for the distribution of fluids

Process and apparatus for backing-up or supplementing a gas supp

Process and apparatus for blending drag reducer in solvent

Process and apparatus for blending viscous polymers in solvent

Process and apparatus for controlling a controllable magnitude a

Process and apparatus for detecting the limit level of liquids a

Process and apparatus for homogeneous mixing of gaseous fluids

Process and apparatus for introducing aqueous chloride dioxide i

Process and apparatus for mixing gases in a specific proportion

Process and apparatus for supplying a gaseous mixture

Process and apparatus for supplying a mixture of CO.sub.2 and SO

Process and device for confining liquid metals by use of an elec

Process and device for performing a series of hydrodynamic funct

Process and device for the mixing of gases

Process and device to regulate the inner pressure of a tank and/