CH213712A
(en )
1941-03-15
Thermal insulation element.
SU47523A1
(en )
1936-06-30
The method of manufacturing thermal insulation mass
SU45601A1
(en )
1936-01-31
The method of obtaining terpindialov
SU47299A1
(en )
1936-06-30
The method of obtaining aminoxyphenylarsinic acid
SU48214A1
(en )
1936-08-31
The method of obtaining N-methyl-n-aminophenol
SU45914A1
(en )
1936-02-29
The method of obtaining cryolite
SU46917A1
(en )
1936-05-31
The method of obtaining diphenyl ether
SU46607A1
(en )
1936-04-30
The method of producing tetra-chlorophthalic acid
SU45920A1
(en )
1936-02-29
The method of obtaining yellow blue
SU45068A1
(en )
1935-11-30
The method of manufacturing plastic
SU41396A1
(en )
1935-01-31
The method of making layouts
SU51906A1
(en )
1937-11-30
The method of producing fluorosilicic acid
SU48860A1
(en )
1936-08-31
Magnetron
SU41292A1
(en )
1935-01-31
Heat insulation
SU48296A1
(en )
1936-08-31
The method of obtaining vanilla
SU44925A1
(en )
1935-11-30
The method of obtaining bromoform
SU48959A1
(en )
1936-08-31
Method for making grease
SU50016A1
(en )
1936-08-31
Method of making high-refractory bricks
SU50431A1
(en )
1936-11-30
The method of obtaining esters
SU45735A1
(en )
1936-01-31
The method of manufacture of thermal insulation material
SU46577A1
(en )
1936-04-30
The method of mirror heating of the resin
SU46914A1
(en )
1936-05-31
The method of preparation of one-manganese phosphate
SU46646A1
(en )
1936-04-30
The method of obtaining paint
SU50211A1
(en )
1937-01-31
The method of manufacturing plastics
SU46702A1
(en )
1936-04-30
The method of preparation of the plates