SU37985A1
(en )
1934-07-31
The method of obtaining asbestos paper and cardboard from 100% lower (V and VI) asbestos grades
SU39898A1
(en )
1934-11-30
The method of refining rosin
SU39570A1
(en )
1934-10-31
The method of regeneration of photosensitive ferro-prussiate paper
SU42032A1
(en )
1935-03-31
The method of preparation of briquettes from wood waste
SU38857A1
(en )
1934-09-30
The method of obtaining protein substances
SU41799A1
(en )
1935-02-28
Device for strengthening sheet metal axle pressing
SU30836A1
(en )
1933-06-30
The method of obtaining water-soluble or water-emulsifying resols
SU30782A1
(en )
1933-06-30
The method of obtaining pressing products
SU37172A1
(en )
1934-06-30
Electrostatic machine
SU37797A1
(en )
1934-07-31
The method of obtaining sulfitellulose tanning extracts
SU37698A1
(en )
1934-07-31
The method of obtaining a platinum catalyst
SU43557A1
(en )
1935-06-30
The method of obtaining artistic drawings
SU35991A1
(en )
1934-04-30
The method of preparation of the insulating material from rotten wood
SU37699A1
(en )
1934-07-31
The method of obtaining sulfur from pyrite and similar materials
SU38318A1
(en )
1934-08-31
The method of regeneration of waste galalita
SU28454A1
(en )
1932-11-30
Wastewater treatment method
SU25729A1
(en )
1932-03-31
Method of making felt
SU27555A1
(en )
1932-08-31
Method of making pulp for carbon paper
SU37796A1
(en )
1934-07-31
The method of obtaining sulfitellulose tanning extracts
SU29169A1
(en )
1933-02-28
The method of obtaining the filter material
SU40342A1
(en )
1934-12-31
Method for producing substituted 9-chloroacridines
SU40699A1
(en )
1934-12-31
The method of cooking margarine
SU51152A1
(en )
1936-11-30
The method of producing bourbonal
SU38127A1
(en )
1934-08-31
The method of producing catalyst from aluminum
SU35192A1
(en )
1934-03-31
The method of obtaining duotola