SU40986A1
(en )
1935-01-31
Method of producing 2,1,6-naphthol disulfonic acid
SU45919A1
(en )
1936-02-29
The method of producing ammonia and sulfuric acid
SU44931A1
(en )
1935-11-30
The method of producing cyclohexanecarboxylic acid alhydride
SU38020A1
(en )
1934-07-31
Method of making art objects
SU37701A1
(en )
1934-07-31
The method of obtaining sodium sulfate
SU51906A1
(en )
1937-11-30
The method of producing fluorosilicic acid
ES136527A1
(en )
1935-03-01
An improved process for the manufacture of sulfuric acid.
ES133319A1
(en )
1934-04-01
Manufacturing process of an agglomerate.
DK55837C
(en )
1939-02-20
Process for the preparation of substituted pyridine-o-dicarboxylic acid amides.
AT152569B
(en )
1938-02-25
Process for the preparation of pyridinedicarboxylic acid bis-alkylamides.
ES134524A1
(en )
1934-08-01
An improved process for the production of potassium sulphate.
ES143133A1
(en )
1937-04-16
Process for the manufacture of sulfuric acid.
CH175352A
(en )
1935-02-28
Process for the preparation of 2-amino-1-naphthol-8-sulfonic acid.
ES129285A3
(en )
1933-03-16
Process for the manufacture of aromatic oxyaldehydes.
CH181180A
(en )
1935-12-15
Process for the manufacture of pesticides.
DK51823C
(en )
1936-06-29
Procedure for the production of baker's yeast.
ES125435A1
(en )
1932-02-16
An improved process for the manufacture of leathers.
CH189508A
(en )
1937-02-28
Process for the preparation of 3-acetyl-cis-androstandiol-3,17.
ES129171A1
(en )
1933-03-01
Manufacturing process of cork insulating partitions.
CH159142A
(en )
1932-12-31
Process for the production of chlorosulfonic acid.
ES135910A3
(en )
1934-12-16
Manufacturing process of ammonium sulfate.
ES135883A3
(en )
1934-12-16
Manufacturing process of ammonium sulfate.
DK50927C
(en )
1935-11-18
Process for the production of solid ammonium sulphate.
ES136131A1
(en )
1935-04-16
Procedure for the manufacture of footwear.
ES128468A3
(en )
1932-12-16
Manufacturing process of nutritious sulphurous solutions for winemaking.