CH342657A
(en )
1959-11-30
Method of manufacturing semiconductor elements
CH469769A
(en )
1969-03-15
Process for the preparation of polybenzoxazinediones
CH293402A
(en )
1953-09-30
Method for treating rayon threads.
CH325458A
(en )
1957-11-15
Method of making sultamen
CH250585A
(en )
1947-09-15
Method of treating living plant material.
CH295405A
(en )
1953-12-31
Process for the electrochemical treatment of metal objects.
AT184498B
(en )
1956-01-25
Ski and its method of manufacture
AT170282B
(en )
1952-02-11
Process for treating oils
AT172927B
(en )
1952-10-25
Process for cavitation treatment of liquids
CH322056A
(en )
1957-05-31
Process for the reduction of 3-keto-steroids to 3a-oxy-steroids
AT184738B
(en )
1956-02-25
Process for the treatment of cellulosic small pieces
CH314470A
(en )
1956-06-15
Method of manufacturing selenium rectifier plates
AT183063B
(en )
1955-09-10
Method of treating cellulose fabrics
AT181477B
(en )
1955-03-25
Method and device for the electrolytic treatment of metals
AT176803B
(en )
1953-11-25
Process for the treatment of industrial and service water
CH366726A
(en )
1963-01-15
Method of treating flour
AT190852B
(en )
1957-07-25
Process for the thermal treatment of carbonates
AT182727B
(en )
1955-07-25
Method of making steel
AT196565B
(en )
1958-03-25
Process for the deforming treatment of keratin fibers
AT188344B
(en )
1957-01-10
Process for photo-mechanical surface treatment of objects
AT177885B
(en )
1954-03-10
Method for obtaining antibioticis
AT177758B
(en )
1954-03-10
Process for the treatment of structures made from regenerated cellulose
CH313322A
(en )
1956-04-15
Method of combating fungal diseases
AT186365B
(en )
1956-08-10
Method of making plaster bandages
AT180123B
(en )
1954-11-10
Method of making plaster bandages