73067211
Oct 28, 1975
Mar 8, 1977
CONSTRUCTION OF CHEMICAL PLANTS IN THE FIELD OF THE SEPARATION OF TAR FRACTIONS INTO NEUTRAL AND PHENOLIC PHASE
Building Construction and RepairPROVIDING CONSULTING, PLANNING AND CHEMICAL ENGINEERING SERVICES TO THE CHEMICAL INDUSTRY AND THE DESIGNING OF CHEMICAL PLANTS IN THE FIELD OF THE SEPARATION OF TAR FRACTIONS INTO NEUTRAL AND PHENOLIC PHASE
Computer and Scientific