73061271
Aug 25, 1975
Oct 18, 1977
CONSTRUCTION OF CHEMICAL PLANTS IN THE FIELD OF THE SEPARATION AND REFINING OF PHENOLS
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 AND REFINING OF PHENOLS
Computer and Scientific