CH228439A
(en )
1943-08-31
Process for the production of shaped structures.
CH273746A
(en )
1951-02-28
Process for the production of castings from steel and steel alloys.
CH212650A
(en )
1940-12-15
Process for the production of press powder from substances containing keratin.
CH214631A
(en )
1941-05-15
Process for the production of diazotypes.
CH210597A
(en )
1940-07-31
Process for the production of ethers from alkylolamines.
CH213645A
(en )
1941-02-28
Process for the production of castings from cast iron and casting produced according to this process.
CH321965A
(en )
1957-05-31
Process for preventing the edge decarburization of castings made of carbon-containing alloys and casting mold for carrying out the process
CH212210A
(en )
1940-11-15
Process for the production of printing forms and intermediate forms therefor.
AT108103B
(en )
1927-11-25
Process for the production of moldings from metals.
AT174037B
(en )
1953-02-25
Process for the production of high-quality drawing material and metal rods from cast metal rings produced by centrifugal casting
CH208853A
(en )
1940-02-29
Process for increasing the oligodynamic effect of metals.
CH212859A
(en )
1940-12-31
Process for the production of paints.
CH212638A
(en )
1940-12-15
Process for the production of hydroxylammonium sulfate.
CH219167A
(en )
1942-01-31
Process for the production of printing forms from colloids.
CH213648A
(en )
1941-02-28
Process for the production of castings from aluminum-silicon alloys, in particular permanent mold castings.
CH219146A
(en )
1942-01-31
Process for the preparation of copper tetra (4) aminophthalocyanine.
CH160222A
(en )
1933-02-28
Process for the production of castings from alloys.
CH225596A
(en )
1943-02-15
Method and device for producing casting molds for the simultaneous casting of several crankshafts and casting mold produced according to this method.
CH219716A
(en )
1942-02-28
Process for the production of casting molds.
CH305469A
(en )
1955-02-28
Process for the production of gray cast iron.
CH231881A
(en )
1944-04-30
Process for the production of aluminum sulfate from aluminum ores.
CH182885A
(en )
1936-02-29
Process for the production of items made of malleable cast iron.
CH131625A
(en )
1929-02-28
Process for the production of cast iron.
AT109181B
(en )
1928-03-26
Process for the production of cores and molds for metal and iron casting from liquid, hardening material.
CH229181A
(en )
1943-10-15
Process for the production of hydrazine.