SU17224A1
(en )
1930-09-30
Method for preparing mono- and diaryl arsenoxides and mono-di-diaronic acids
SU15593A1
(en )
1930-06-30
Salol cleaning method
SU17225A1
(en )
1930-09-30
The method of obtaining acetylsalicylic acid
SU20102A1
(en )
1931-04-30
The method of obtaining complex fertilizers
SU20743A1
(en )
1931-05-31
The method of preparation of ultramarine
SU10419A1
(en )
1929-07-31
Disinsection method
SU18003A1
(en )
1930-09-30
The method of preparation of aromatic liquid
SU11858A1
(en )
1929-09-30
The method of impregnation of wood
SU19624A1
(en )
1931-03-31
The method of cleaning black wood powder
SU10307A1
(en )
1929-06-29
The method of preparation of drying oil
SU17212A1
(en )
1930-09-30
The method of obtaining ferrous sulfate
SU20800A1
(en )
1931-05-31
The method of making wooden coils
SU15777A1
(en )
1930-06-30
Method of making permanent magnets
SU15745A1
(en )
1930-06-30
The method of obtaining water-emulsifying chlorinated hydrocarbon preparations
SU22144A1
(en )
1931-08-31
Alloy for brushes of electrical machines and method of its manufacture
SU19728A1
(en )
1931-03-31
The method of obtaining tanning juices and extracts
SU17542A1
(en )
1930-09-30
The method of preparation of lubricating briquettes
SU16666A1
(en )
1930-09-30
Modifying the method of producing tribromphenol bismuth
SU17001A1
(en )
1930-09-30
Method for making photosensitive papers from diazo compounds
SU11930A1
(en )
1929-09-30
A method of manufacturing reinforced concrete window covers
SU10432A1
(en )
1929-07-31
The method of introducing acid residues in the amide group
SU14537A1
(en )
1930-03-31
The method of preparation of explosives using lead picrates
SU8830A1
(en )
1929-04-30
Method of dyeing fibrous materials
SU21285A1
(en )
1931-07-31
The method of preparation of mastic for rubbing floors
SU16326A1
(en )
1930-08-31
The method of obtaining water-insoluble azo dyes