CH292414A
(en )
1953-08-15
Mixture for the production of coatings.
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.
AT168946B
(en )
1951-09-25
Caissons, in particular for the production of watertight hearth walls for dams
CH279915A
(en )
1951-12-31
Process for the production of artificial structures.
FR978769A
(en )
1951-04-18
Boat
CH278068A
(en )
1951-09-30
Process for the production of cell bodies with closed gas cells.
CH284334A
(en )
1952-07-31
Process for the production of surface-active products in a solid, dry state.
CH283440A
(en )
1952-06-15
Water treatment process.
CH299378A
(en )
1954-06-15
Process for the production of copolymers of acrylonitrile.
AT170284B
(en )
1952-02-11
Process for the production of cell bodies
AT167697B
(en )
1951-02-10
Element for the production of building walls
CH264601A
(en )
1949-10-31
Process for the preparation of hydroxylamine sulphate solutions.
CH283419A
(en )
1952-06-15
Process for the production of methane.
FR60707E
(en )
1955-01-25
Boat
AT173047B
(en )
1952-11-10
Process for the production of buildings
CH296592A
(en )
1954-02-28
Process for the production of underwater concrete.
AT170245B
(en )
1952-01-25
Process for the production of furnace walls for industrial furnaces, in particular the back walls of Siemens-Martin furnaces
AT174919B
(en )
1953-05-26
Process for the production of morpholines
AT171176B
(en )
1952-05-10
Process for the production of 17α-methyl-pregnenverbindungen
AT171175B
(en )
1952-05-10
Process for the production of foam concrete
AT168437B
(en )
1951-06-11
Flat boat
BE495278A
(en )
1950-08-16
IMPROVED COMPOSITION OF MATERIAL.
CH287224A
(en )
1952-11-30
Process for the production of hard plastic foils and plates.
CA456851A
(en )
1949-05-24
Stains of the water type