SU31750A1
(en )
1933-08-31
The method of cleaning waste paper and other contaminated fibrous materials
SU39163A1
(en )
1934-10-31
The method of moistening forests and soils when building or repairing dirt roads
SU30837A1
(en )
1933-06-30
The method of preparation of asphalt masses
SU31429A1
(en )
1933-08-31
The method of purification of N-chloro-nitro-aniline
SU42032A1
(en )
1935-03-31
The method of preparation of briquettes from wood waste
SU37172A1
(en )
1934-06-30
Electrostatic machine
SU29169A1
(en )
1933-02-28
The method of obtaining the filter material
SU30960A1
(en )
1933-06-30
The method of grinding material in drum mills
SU51954A1
(en )
1937-11-30
The method of disposal of waste plastic
SU32243A1
(en )
1933-09-30
The method of manual harvesting cotton
SU37797A1
(en )
1934-07-31
The method of obtaining sulfitellulose tanning extracts
SU28607A1
(en )
1932-12-31
Nozzle
SU34228A1
(en )
1934-01-31
Flax spreading machine
SU48285A1
(en )
1936-08-31
The method of obtaining para-dichlorobenzene and 1: 2: 4: trichlorobenzene
SU31754A1
(en )
1933-08-31
The way to eliminate the fallout of the resin from the paper mass on dumplings
SU37985A1
(en )
1934-07-31
The method of obtaining asbestos paper and cardboard from 100% lower (V and VI) asbestos grades
SU37209A1
(en )
1934-06-30
The method of cleaning felt products
SU50377A1
(en )
1936-11-30
The method of cleaning solutions of sodium sulphide
SU30961A1
(en )
1933-06-30
The method of extraction of asbestos fiber from dry scraps of etternit
SU39570A1
(en )
1934-10-31
The method of regeneration of photosensitive ferro-prussiate paper
SU47027A1
(en )
1936-05-31
The method of deoiling of alkaline waste (white water), obtained by alkaline processing of petroleum products
SU31380A1
(en )
1933-08-31
Flotation agent
SU39118A1
(en )
1934-10-31
The method of extraction of sulfur and bitumen from bituminous sulfur raw materials
SU31558A1
(en )
1933-08-31
The method of impregnation of the skin
SU31434A1
(en )
1933-08-31
The method of obtaining furfural