CH476040A
(en )
1969-07-31
Process for stabilizing organic substances
FI40003C
(en )
1968-09-10
Immersion filter
CH427791A
(en )
1967-01-15
Process for stabilizing organic substances
CH491818A
(en )
1970-06-15
Process for removing NH3 and H2S from an aqueous solution of these gases
AT255449B
(en )
1967-07-10
Device for the transport of ink ribbons
AT252267B
(en )
1967-02-10
Device for cleaning liquids
CH428652A
(en )
1967-07-31
Process for making textiles oil and water repellent
CH412810A
(en )
1966-05-15
Process for the selective removal of hydrogen sulfide from gases
CH411338A
(en )
1966-04-15
Process for stabilizing polypropylene
CH381818A
(en )
1964-09-15
Device for cleaning objects
DK115648B
(en )
1969-10-27
Process for desulfurization of hydrocarbons.
CH436784A
(en )
1967-05-31
Mixture for fixing samples
AT232486B
(en )
1964-03-25
Washing liquor for removing H2S from gases containing it
AT253347B
(en )
1967-04-10
Process for removing hydrogen chloride from gases
CH428680A
(en )
1967-01-31
Process for converting hydrogen sulfide into free sulfur
CH399479A
(en )
1965-09-30
Process for purifying polymyxins
CH386624A
(en )
1965-01-15
Methods for purifying desmethylchlorotetracycline
CH420489A
(en )
1966-09-15
Process for purifying crude streptokinase
CH417955A
(en )
1966-07-31
Process for stabilizing polyacetals
CH451055A
(en )
1968-05-15
Process for removing tannins from vegetable liquids
CH407940A
(en )
1966-09-15
Process for the refinement of textiles made from native or regenerated cellulose
AT231050B
(en )
1964-01-10
Process for removing hydrogen sulfide from gases
CH385419A
(en )
1964-12-15
Methods for purifying desmethylchlorotetracycline
CH348151A
(en )
1960-08-15
Filter system for cleaning water
DK106003C
(en )
1966-12-05
Hydrogen sulphide removal process.