Discharge apparatus, e.g. electrostatic spray guns characterised by having rotary outlet or deflecting elements {, i.e. spraying being also effected by centrifugal forces designed for spraying particulate material}
Discharge apparatus, e.g. electrostatic spray guns characterised by having rotary outlet or deflecting elements {, i.e. spraying being also effected by centrifugal forces designed for spraying particulate material}