|
PL394768A1
|
|
Process for the preparation of soda ash and chlorinated lime
|
|
PL351214A1
|
|
Method of recovering electric power in a process for electrolytically producing chlorine and other electrolysis products
|
|
PL350390A1
|
|
Method of and apparatus for sampling liquid hydrocarbons from underground storage caves
|
|
PL343572A1
|
|
Method of examining for leak-tightness a cement mortar seal between a storage chamber inlet opening and upright pipe string passing therethrough
|
|
PL328904A3
|
|
Electrolyser for obtaining chlorine from brines
|
|
PL328902A1
|
|
Method of oxidating iodides or bromides as well as of separating iodine or bromine from a solution containing these elements in low concentration
|
|
PL319806A1
|
|
Method of and apparatus for controlling isolating fluid level while performing leaching operation of a rock-salt bed chamber
|
|
PL305033A1
|
|
Electrolyser for oxidation of iodides and bromides
|
|
PL283315A3
|
|
Device for pumping petroleum products deposited upon the tope of soil water
|
|
PL282305A1
|
|
Method of removing fluor from phosphoric acid by extraction
|
|
PL276288A1
|
|
Electrolyzer for producing chlorine from brines
|
|
PL274400A1
|
|
Radar method of determining almost ungettable zones within sedimentary rock formation
|
|
PL273642A1
|
|
Filter for treating well water
|
|
PL271538A1
|
|
Method of obtaining mineral lick
|
|
PL275941A1
|
|
Acoustic probe for measuring gas-bearing potential of rocky formations
|
|
PL255402A1
|
|
Method of dozing electrolytically obtained chlorine at rate being corelated with chlorination and/or oxidation reaction rate
|
|
PL255150A1
|
|
Method of grinding minerals in particular dolomite and apparatus therefor
|
|
PL253548A1
|
|
Process for manufacturing filter earths from diatomite
|
|
PL253458A1
|
|
Method of mining underground salt deposits through boreholes with a forecavity in the deposit being made by spraying
|
|
PL252821A1
|
|
Method of obtaining filtering earths from diatomite
|
