Process and device for cryomagnetic purification of polluted fluids
FR2679594A1
Device for taking samples from the internal wall of a borehole
EP0394141A1
Process for the electrochemical treatment of an hydrogen sulfide containing gas
FR2627103A1
Process for the manufacture of clay-based absorbent granulates and granulates obtained by this process
FR2626665A1
Deformation gauge for construction fabric sheets and construction membrane sheets
FR2625767A1
Process and installation for measuring the permeability of ground crossed during the progress of a drilling
FR2584771A1
Method and installation for activating geothermal wells
US4576717A
Process for denitrifying subterreanean waters to make them potable
EP0108696A1
Method and apparatus for advancing quickly through non valuable soil when drilling an exploration well
FR2552343A1
FLOATING SEPARATION METHOD AND APPARATUS
OA07300A
Process for recovering P2 O5 contained in ores or phosphate concentrates.
ZA8203933B
Method and apparatus for extracting soluble substances from sugar cane
FR2526045A1
Hydrometallurgical extn. esp. of zinc from complex sulphide - by combined leaching and flotation using same soln. and gas
EP0057139A2
Method and device for sorting mixtures of packages and similar goods, whether or not used
US4425229A
Process for the treatment of phosphate ores with carbonate or silico-carbonate gangue
DE3131930A1
METHOD FOR THE PRODUCTION OF SENARMONTITE AND THE SENARMONTITE OBTAINED THEREFORE
JPS5774656A
Highly accurate method of and apparatus for continuously measuring concentration of gas and volatiling product at original position
US4324653A
Process for the treatment of phosphate ores with silico-carbonate gangue
FR2492099A1
Polishing appts. for small mineral samples e.g. dust particles - has rotatably mounted sample carrier, perpendicular to and below polishing surface, which can be bought under telescope
FR2491622A1
AUTOMATIC APPARATUS FOR CONTINUOUS DETERMINATION OF REFLECTION COEFFICIENTS FROM A SEISMIC SIGNAL
