CH315969A
(en )
1956-09-15
Process and device for finishing the surface of materials
AT278221B
(en )
1970-01-26
Process for processing high quality oils
AT179603B
(en )
1954-09-25
Process for the processing of residues from petroleum hydrogenation
CH244247A
(en )
1946-08-31
Process for removing superficial contamination from materials of mineral origin.
CH306041A
(en )
1955-03-31
Process for the separation of multi-substance mixtures.
CH318445A
(en )
1957-01-15
Process for the recovery of dimethylnitrosamine
AT175871B
(en )
1953-08-25
Process for the lightening of fibers
CH313627A
(en )
1956-04-30
Process for the production of coatings on metals
CH306040A
(en )
1955-03-31
Process for evaporation of liquids.
AT177885B
(en )
1954-03-10
Method for obtaining antibioticis
AT177357B
(en )
1954-01-25
Process for improving the surface of skiing areas
AT175851B
(en )
1953-08-25
Process for rendering the hardness components of water harmless
AT170871B
(en )
1952-04-10
Process for the preparation of diarylacetonitriles
AT172927B
(en )
1952-10-25
Process for cavitation treatment of liquids
CH296679A
(en )
1954-02-28
Process for the production of water-insoluble deposits on flat structures.
AT185347B
(en )
1956-04-25
Process for the waterproofing of textiles
AT198400B
(en )
1958-06-25
Process for the processing of hard asphalt-rich crude oils
AT174442B
(en )
1953-03-25
Process for the desulphurization of gases
AT176204B
(en )
1953-09-25
Process for the extraction of components from natural waters
AT176437B
(en )
1953-10-26
Process for quick curing of meat
AT174204B
(en )
1953-03-10
Process for processing rubber compounds
AT179096B
(en )
1954-07-10
Process for the production of magnesium
AT176834B
(en )
1953-11-25
Process for the catalytic hydrogenation of carbohydrates
AT173683B
(en )
1953-01-10
Process for the catalytic hydrogenation of carbohydrates
AT178425B
(en )
1954-05-10
Method for obtaining antibioticis