CH79992A
(en )
1919-02-01
Process for the manufacture of articles of daily use from condensation products of phenols and aldehydes
AT108103B
(en )
1927-11-25
Process for the production of moldings from metals.
CH81899A
(en )
1919-12-16
Extraction process and facility for carrying out the process
CH77115A
(en )
1918-03-01
Process for the evaporation of liquids and liquids containing liquids
AT181231B
(en )
1955-02-25
Process for the treatment of mica and for the production of sheets, plates and the like. Like. Moldings from it
AT107427B
(en )
1927-10-10
Process for the further processing of condensation products from carbamide or its derivatives with aldehydes.
AT118236B
(en )
1930-06-25
Process for the production of condensation products.
AT98673B
(en )
1924-12-10
Process for the production of rubber u. Like. Articles made from the milky sap of the rubber hydrocarbon-bearing plants.
CH80401A
(en )
1919-07-16
Process for drying potatoes
CH75457A
(en )
1916-12-17
Process for the production of stamps and stamps produced by the process
CH82285A
(en )
1919-09-16
Process for the production of metal strips from which discs can be cut out for the production of tin cans and other sheet metal articles
CH79067A
(en )
1918-10-01
Process for the extraction of proteins from starchy fruits for the purpose of the production of everyday objects
NL23108C
(en )
1930-11-15
Process for the production of matchsticks from papier-mâché or the like material or of matchsticks containing such strips, in one operation
CH131624A
(en )
1929-02-28
Process for the production of metals and alloys.
CH81445A
(en )
1919-06-16
Process for the evaporation of liquids
CH79797A
(en )
1919-08-01
Process for the preservation of materials containing vitamins
AT87482B
(en )
1922-02-25
Process for the production of asbestos slate and the like.
AT76380B
(en )
1919-05-10
Process and system for the production of pre-doughs.
CH80233A
(en )
1919-07-01
Process for the preparation of 4 4'-diaminobenzophenone
CH83126A
(en )
1919-11-17
Process for purifying the anthraquinone
CH79959A
(en )
1919-01-16
Process for the treatment of tarry liquids which are difficult to distil
AT116582B
(en )
1930-02-25
Process for the production of fuse strips from cardboard or the like.
CH80422A
(en )
1919-03-01
Process for the production of metal bodies
CH79812A
(en )
1919-05-16
Process for the production of coatings from glass, metal and other fusible substances
CH76324A
(en )
1917-12-01
Process for the treatment of milled products