"Elektrotechniek." . . "Màquines elèctriques." . . "elektrische machines." . . "elektriciteit." . . . . "Electrical Machinery : Principles, operation, and management" . "Electrical-machinery erection"@en . "Electrical-machinery erection" . . . . . . . . . . . "Electrical machinery principles, operation and management"@en . "Electrical machinery; principles, operation and management" . "Electrical machinery : principles, operation, and management" . . . . . . . . . . . . "Electrical-Machinery erection" . . . "Electrical machinery; principles, operation, and management" . "Electrical machinery; principles, operation, and management"@en . . . . . . . "[Electrical Machinery. Principles, operation and management.]"@en . . . "Electrical machinery and control diagrams"@en . "Electrical machinery and control diagrams" . . . . "Electrical machinery" . "Electrical machinery"@en . "Electrical machinery principles, operation, and management"@en . . .