SU24132A1
(en )
1931-11-30
The method of producing alloys of metals
SU4605A1
(en )
1928-02-29
Method of forming thin holes in metals
SU23504A1
(en )
1931-10-31
The method of obtaining the orange crown
SU19350A1
(en )
1931-02-28
The method of obtaining aluminum alloy
SU24312A1
(en )
1931-11-30
The method of obtaining mouse mouse and mouse salts by oxidation of a metal mouse
SU2316A1
(en )
1924-09-15
The method of producing erythrenum
SU22897A1
(en )
1931-09-30
The method of preparation of products from hard alloys
SU7602A1
(en )
1929-01-31
Metal propeller
SU3151A1
(en )
1927-06-30
The method of obtaining powder from low-melting metal alloys
SU2537A1
(en )
1927-03-31
Metal shingles
SU8622A1
(en )
1929-03-30
Microphone
SU9178A1
(en )
1929-05-31
Method for producing zinc sulphate from zinc ores
SU6763A1
(en )
1928-10-31
Tackle for matchboxes
SU8521A1
(en )
1929-03-30
Turbine toy
SU5367A1
(en )
1928-05-31
The method of preparation of the bath for the electrolytic precipitation of tin
SU27937A1
(en )
1932-10-31
The method of separation of narcein from opi
SU17542A1
(en )
1930-09-30
The method of preparation of lubricating briquettes
SU1857A1
(en )
1924-09-15
The method of obtaining the main ri-med nki
SU24208A1
(en )
1931-11-30
Electroplating method
SU15285A1
(en )
1930-05-31
The method of obtaining terpingidrata
SU4557A1
(en )
1924-09-15
The method of preparation of surrogate ichthyol oils
SU2750A1
(en )
1927-04-30
Metal burrs
SU21895A1
(en )
1931-07-31
The method of welding crown hard carbides
SU10074A1
(en )
1929-06-29
Lead Alloy Bearing
SU5809A1
(en )
1928-07-31
The method of obtaining ethyl chloride