SU72262A1
(en )
1947-11-30
The method of producing sulfuric acid by the nitrous method
SU45919A1
(en )
1936-02-29
The method of producing ammonia and sulfuric acid
SU51906A1
(en )
1937-11-30
The method of producing fluorosilicic acid
SU51152A1
(en )
1936-11-30
The method of producing bourbonal
SU48248A1
(en )
1936-08-31
Method for the production of sulfuric acid
SU44931A1
(en )
1935-11-30
The method of producing cyclohexanecarboxylic acid alhydride
SU46703A1
(en )
1936-04-30
The method of manufacturing plastics
SU51729A1
(en )
1936-11-30
The method of producing ethyl acetate
SU52992A1
(en )
1938-04-30
Method for producing alpha-phenyl-butyric acid
SU31021A1
(en )
1933-07-31
The method of producing tetraoxyperylene or their derivatives
SU46011A1
(en )
1936-02-29
The method of producing glue
SU20800A1
(en )
1931-05-31
The method of making wooden coils
SU50846A1
(en )
1936-11-30
Method for producing acylated 2-oxydiphenyl-3-carboxylic acid derivatives
SU46922A1
(en )
1936-05-31
The method of producing styrene
ES143133A1
(en )
1937-04-16
Process for the manufacture of sulfuric acid.
ES136527A1
(en )
1935-03-01
An improved process for the manufacture of sulfuric acid.
DK74084C
(en )
1952-05-05
Process for the production of sulfuric acid.
ES144002A1
(en )
1938-02-16
Improvements in the manufacture of sulfuric acid.
ES144646A1
(en )
1940-01-01
Improvements in the manufacture of sulfuric acid.
ES144644A1
(en )
1940-01-01
Improvements in the manufacture of sulfuric acid.
ES144001A1
(en )
1938-02-16
Improvements in the manufacture of sulfuric acid.
ES142945A1
(en )
1936-10-16
A method for the manufacture of wheels.
ES142920A1
(en )
1936-10-01
Process for the manufacture of 2, 4-dioxotetrahydropyridine derivatives.
DK55106C
(en )
1938-08-22
Method for the production of diamino alcohols.
DK59823C
(en )
1942-06-01
Process for the production of superphosphate with increased phosphoric acid content.