CH294487A
(en )
1953-11-15
Process for manufacturing semiconductor elements.
CH295584A
(en )
1953-12-31
Process for the production of detergents in bar form.
CH290905A
(en )
1953-05-31
Process for the production of semi-pulp.
CH292091A
(en )
1953-07-31
Process for making molded articles.
CH291823A
(en )
1953-07-15
Process for the production of foils, films and plate-shaped structures.
CH265481A
(en )
1949-12-15
Process for the production of polyamide threads.
CH289067A
(en )
1953-02-28
Process for the production of hydrogen peroxide.
AT169847B
(en )
1951-12-27
Process for the production of guilloche patterns, in particular for button punching
CH284334A
(en )
1952-07-31
Process for the production of surface-active products in a solid, dry state.
CH299378A
(en )
1954-06-15
Process for the production of copolymers of acrylonitrile.
CH270847A
(en )
1950-09-30
Process for the production of transparent papers, in particular for drawing purposes.
CH292070A
(en )
1953-07-31
Process for the production of ammonium nitrilosulfonate.
CH289046A
(en )
1953-02-28
Process for the series production of items of clothing.
AT172944B
(en )
1952-10-25
Process for the production of moldings, in particular fiberboard
AT170811B
(en )
1952-03-25
Process for the production of extra-hard moldings, in particular fiberboard
CH284350A
(en )
1952-07-31
Process for the manufacture of spinnerets.
CH272887A
(en )
1951-01-15
Saw, as well as method of making the same.
AT172666B
(en )
1952-10-10
Process for the production of modified synthetic resins, especially aminoplasts
AT174919B
(en )
1953-05-26
Process for the production of morpholines
CH288869A
(en )
1953-02-15
Process for the production of dry rectifiers, in particular small-area rectifiers.
CH282223A
(en )
1952-04-15
Process for the production of quinazoline compounds.
CH273079A
(en )
1951-01-31
Process for producing a plastic solution and plastic solution produced therefrom.
AT171176B
(en )
1952-05-10
Process for the production of 17α-methyl-pregnenverbindungen
CH300332A
(en )
1954-07-31
Process for the production of B-phenyl-ethanol.
AT174242B
(en )
1953-03-10
Device for the production of soft cheese, in particular Romadour cheese