Harold E. Babbitt · 8 obras en el catálogoObrasJoint materials for vitrified clay pipesThe drying of sewage sludge under pressureAeration with a high-oxygen atmosphere in the activated sludge processPPlumbingPlumbingSSewerage and Sewage TreatmentSewerage and Sewage TreatmentWWater Supply Engineering (Civil Engineering)Water Supply Engineering (Civil Engineering)1962Sewerage and Sewage TreatmentWWater supply engineeringWater supply engineering