PROCESSO DE TRANSFORMACAO DE HIDRARGILITA EM BOEMITA

申请公布号：BR8007034(A)

申请号：BR19800007034

申请日期：1980.02.26

申请公布日期：1981.01.21

申请人：

ALUMINIUM PECHINEY

发明人：MAGRONE R;LECTARD A

分类号：C01F7/02;C01F7/44;(IPC1-7):C01F7/44

主分类号：C01F7/02

Improvements in or relating to fishing reels

Improvements in or relating to the storing of beer

Improvements in or relating to stencil duplicating inks

Anti-dazzle devices for the head-lighting of road vehicles

Improved method and means for the production of strips of material treated by tufting

Improvements in and relating to electric control systems

Improvements in or relating to electron-image apparatus

Improvements in and relating to transducers

An electric generator energized by condensers and a method of operating the same

Improvements in or relating to bias cutting machines

Hopper feeder for equalising the quantities of textile fibre issuing from an openeror the like

Improvements in or relating to the supply and the combustion of fuel in gas turbines

Improvements in or relating to pressure relief valves for fuel tanks

Improvements relating to couplings for electrified wire fences

A new or improved drying apparatus

Electromagnetic energy regulator for electric radiant heating apparatus

Vacuum container incorporating a hand operated vacuum pump

Improvements relating to footwear

Improvements in or relating to the making of salts or soaps of alkali metal or nitrogen bases with fatty acids, sulphonic acids or alkyl sulphonic acids

Improvements in or relating to apparatus for separating oil fat, soap, and the like from trade effluents