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device for verhueten explosions in flammable gas mixtures of induction motors with axial sliding, thereby the laeufer developments abschaltbaren schleifringen in this densely umschliessenden capsule
device for verhueten explosions in flammable gas mixtures of induction motors with axial sliding, thereby the laeufer developments abschaltbaren schleifringen in this densely umschliessenden capsule