CH195295A
(en )
1938-01-31
Kötzerspulmaschine.
SU44925A1
(en )
1935-11-30
The method of obtaining bromoform
SU48214A1
(en )
1936-08-31
The method of obtaining N-methyl-n-aminophenol
SU52208A1
(en )
1936-11-30
The method of obtaining acrolein from glycerin
SU45601A1
(en )
1936-01-31
The method of obtaining terpindialov
SU50431A1
(en )
1936-11-30
The method of obtaining esters
SU46646A1
(en )
1936-04-30
The method of obtaining paint
SU45914A1
(en )
1936-02-29
The method of obtaining cryolite
SU47691A1
(en )
1936-07-31
The method of obtaining 8-aminoquinoline
SU48281A1
(en )
1936-08-31
The method of obtaining desulphuric pure and airbenzenes
SU46607A1
(en )
1936-04-30
The method of producing tetra-chlorophthalic acid
SU46917A1
(en )
1936-05-31
The method of obtaining diphenyl ether
SU48270A1
(en )
1936-08-31
The method of obtaining magnesia
SU49400A1
(en )
1936-08-31
Vacuum measuring method
SU50661A1
(en )
1936-11-30
The method of obtaining artificial resin
SU47299A1
(en )
1936-06-30
The method of obtaining aminoxyphenylarsinic acid
SU44929A1
(en )
1935-11-30
Method for preparing 4-hydroxy-3-ethoxy-benzaldehyde
SU51979A1
(en )
1936-11-30
Method of making textolite pipes
SU46315A1
(en )
1936-03-31
The method of obtaining artificial varnish
SU46914A1
(en )
1936-05-31
The method of preparation of one-manganese phosphate
SU45748A1
(en )
1936-01-31
The method of obtaining a piezoquartz sonic standard
SU48936A1
(en )
1936-08-31
Method for stabilizing indigozols
SU47564A1
(en )
1936-06-30
The method of manufacture of grinding wheels
SU44634A1
(en )
1935-10-31
The method of obtaining fiber from rice straw
SU55636A1
(en )
1938-11-30
The method of obtaining the combined fertilizer