73569971
Nov 21, 1985
Jul 15, 1986
SCIENTIFIC AND LABORATORY APPARATUS, NAMELY, THIN LAYER EVAPORATORS, STILLS AND GASIFIERS WITH INTERNAL CONDENSORS FOR DISTILLATION, DEGASIFICATION, STRIPPING, DEMONOMERIZATION, AND CONCENTRATION, ESPECIALLY IN VACUO
Electrical and Scientific ApparatusHEATING AND COOLING APPARATUS, NAMELY, THIN LAYER EVAPORATORS, STILLS AND GASIFIERS WITH INTERNAL CONDENSORS FOR DISTILLATION, DEGASIFICATION, STRIPPING, DEMONOMERIZATION, AND CONCENTRATION, ESPECIALLY IN VACUO
Environmental Control Apparatus