SU55657A1
(en )
1938-11-30
The method of welding carbon and manganese steels
SU49906A1
(en )
1936-08-31
The method of construction of composite wood-iron-concrete vessels
SU55570A1
(en )
1939-08-31
Adrenaline Purification Method
SU37454A1
(en )
1934-06-30
Harmonic
SU46568A1
(en )
1936-04-30
The method of producing tetra-chlorophthalic acid
SU35837A1
(en )
1934-04-30
The method of obtaining 2-amino-5-diethylaminopentane
SU41113A1
(en )
1935-01-31
The method of obtaining dubitel
SU55309A1
(en )
1938-11-30
A method of manufacturing a flux for forging welding
SU55967A1
(en )
1938-11-30
The method of nitration of alpha-sulfonic naphthalene
SU55551A1
(en )
1939-08-31
The method of obtaining sulfur dyes
SU39521A1
(en )
1934-10-31
Guitar with neck
SU44300A1
(en )
1935-09-30
Acetylene generator
SU27654A1
(en )
1932-08-31
The method of obtaining lead bleached from basic lead acetate and carbon dioxide
SU28214A1
(en )
1932-11-30
The method of obtaining orthoxyquinoline
SU55426A1
(en )
1938-11-30
The method of electrolytic cleaning of parts before galvanizing
SU37554A1
(en )
1934-06-30
The method of manufacturing insulation boards
SU34169A1
(en )
1934-01-31
Method for determining the pitch
SU40919A1
(en )
1935-01-31
Burov crown
SU37207A1
(en )
1934-06-30
The method of making school boards
SU37328A1
(en )
1934-06-30
The method of manufacture of rubber compounds
SU32500A1
(en )
1933-10-31
The method of obtaining tetraoxidine or their derivatives
SU36653A1
(en )
1935-01-31
Method for preparing 3-nitro-4-hydroxyphenyl-1-arsic acid
SU37227A1
(en )
1934-06-30
The method of preparation of soap
SU37115A1
(en )
1934-06-30
Fixture against rail hijacking
SU34826A1
(en )
1934-02-28
Method of forming models of hydraulic structures