73067380
Oct 28, 1975
Feb 7, 1978
CONSTRUCTION OF CHEMICAL PLANTS IN THE FIELD OF THE RECOVERY OF HIGH PURITY AMMONIA FROM COAL GASIFICATION OR DEGASIFICATION EFFLUENTS
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 RECOVERY OF HIGH PURITY AMMONIA FROM COAL GASIFICATION OR DEGASIFICATION EFFLUENTS
Computer and Scientific