|
SU1680737A1
|
|
Method for obtaining chromium oxide pigment
|
|
SU1673513A1
|
|
Method of borax production
|
|
SU1608126A1
|
|
Method of producing chromium (iii), aluminium and ammonium hydroxocarbonate
|
|
SU1608116A1
|
|
Method of producing borax decahydrate
|
|
SU1502471A1
|
|
Method of reinforcing salt or hydroxy compounds of chromium (iii) from ferrum (iii)
|
|
SU1477684A1
|
|
Method of producing sodium bichromate solution
|
|
SU1452562A1
|
|
Method of cleaning gases from hydrogen sulphide and sulphur dioxide
|
|
SU1458323A1
|
|
Bactericide of sulfate-reducing bacteria
|
|
SU1368651A1
|
|
Method of producing chrome (iii) and sodium hydroxocarbonate
|
|
SU1386569A1
|
|
Method of producing chromium-sodium sulfate
|
|
SU1308561A1
|
|
Settler for separating liquids
|
|
SU1168511A1
|
|
Method of obtaining chrome anhydride
|
|
SU1115837A1
|
|
Coating for metallurgical tooling
|
|
SU1084061A1
|
|
Fusing reactor for producing chromic anhydride
|
|
SU1116005A1
|
|
Method of obtaining sodium sulfite
|
|
SU998331A1
|
|
Process for concentrating ammonium thiosulfate solutions
|
|
SU1108072A1
|
|
Method of obtaining sodium sulfate
|
|
SU971555A1
|
|
Protective coating for permanent casting molds and method for preparing the same
|
|
SU975759A1
|
|
Process for producing lead chromate-based pigment
|
|
SU947033A1
|
|
Process for producing sodium hydrosulphite
|
