Browsing by Author Pristavu, N.
Showing results 1 to 1 of 1
Issue Date | Title | Author(s) |
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28-Jun-1985 | Purifying residual water contg. organic substances by adding urea and formaldehyde, sepg. the resin by filtration or sedimentation and purifying the water biologically after neutralising | Parmac, Sorin; Buliga, A.; Chiru, Epsica; Dumitrescu, Emil; Costov, Ioan; Cruceru, Mihail; Varlam, C.; Pristavu, N. |