CH260669A
(en )
1949-03-31
Process for polishing objects and apparatus for carrying out the process.
CH292714A
(en )
1953-08-31
Process for the production of prestressed components and device for carrying out the process.
AT176805B
(en )
1953-11-25
Process for the treatment of feed water in high pressure vessels
CH469769A
(en )
1969-03-15
Process for the preparation of polybenzoxazinediones
AT175782B
(en )
1953-08-10
Process for the production of semi-pulp
CH288176A
(en )
1953-01-15
Process for ozone treatment of water and equipment for carrying out this process.
CH295405A
(en )
1953-12-31
Process for the electrochemical treatment of metal objects.
AT172927B
(en )
1952-10-25
Process for cavitation treatment of liquids
CH302686A
(en )
1954-10-31
Process for the treatment of water in desalination plants.
AT176803B
(en )
1953-11-25
Process for the treatment of industrial and service water
CH340457A
(en )
1959-08-15
Process for the treatment of raw water with poorly soluble phosphates
AT175878B
(en )
1953-08-25
Process for the catalytic hydrogenation of CO with water vapor
CH299810A
(en )
1954-06-30
Process for the production of model pieces and device for carrying out the process.
AT175270B
(en )
1953-06-25
Process for the production of high quality steels
CH303629A
(en )
1954-12-15
Process for the production of rayon in one continuous operation.
AT170282B
(en )
1952-02-11
Process for treating oils
AT179289B
(en )
1954-08-10
Process for the production of halofluoroethenes
CH255633A
(en )
1948-06-30
Process for the deacidification of water.
CH291274A
(en )
1953-06-15
Process for the production of gears and device for carrying out the process
AT185707B
(en )
1956-05-25
Process for making waterproof sandpaper
CH341173A
(en )
1959-09-30
Process for the treatment of feed water for steam boilers
CH277650A
(en )
1951-09-15
Process and apparatus for the production of nitric acid.
AT190614B
(en )
1957-07-10
Process for the treatment of fatty raw material
AT184738B
(en )
1956-02-25
Process for the treatment of cellulosic small pieces
AT187999B
(en )
1956-12-10
Process for the continuous treatment of liquid hydrocarbons