SU37205A1
(en )
1934-06-30
Method for producing floor and shoe mastic
SU34826A1
(en )
1934-02-28
Method of forming models of hydraulic structures
SU33759A1
(en )
1933-12-31
The method of sieving using mulch
SU37212A1
(en )
1934-06-30
The method of manufacture of wax
SU34714A1
(en )
1934-02-28
Method of casting high-pressure parts
SU30686A1
(en )
1933-06-30
Method for producing lactic acid
SU37091A1
(en )
1934-06-30
The method of obtaining anhydrous formic acid
SU30957A1
(en )
1933-06-30
The method of preparation of the floor tile mass
SU37098A1
(en )
1934-06-30
Method for producing phenyl ether salicylic acid
SU39102A1
(en )
1934-10-31
The method of producing tetra-methyl-thi-ramidisulfide
SU33002A1
(en )
1933-10-31
The method of drying materials
SU33645A1
(en )
1933-12-31
Putty for correcting molds
SU37286A1
(en )
1934-06-30
The method of making models for die casting
SU34543A1
(en )
1934-02-28
The method of purification of copper sulfate from iron compounds
SU34894A1
(en )
1934-02-28
The method of connection of reinforcing iron welded
SU38236A1
(en )
1934-08-31
The method of obtaining wood glue
SU33977A1
(en )
1934-01-31
Method of using flue dust from dumps
SU35039A1
(en )
1934-02-28
The method of preparation of porous concrete
SU37854A1
(en )
1934-07-31
The method of obtaining hard alloys
SU42032A1
(en )
1935-03-31
The method of preparation of briquettes from wood waste
SU32651A1
(en )
1933-10-31
The method of obtaining masses for asphalt varnishes
SU34668A1
(en )
1934-02-28
A method of making masses for rubbing floors
SU33535A1
(en )
1933-12-31
The method of producing tetrabromethane
SU34372A1
(en )
1934-01-31
Method of preparation of masses for construction needs from gypsum with bitumen
SU34374A1
(en )
1934-01-31
Composition for the manufacture of foam concrete for the manufacture of devices for rescue on water