9 Computer hardware and computer software, The aforesaid goods in particular for controlling and monitoring spray coating devices; Data processing apparatus; Detectors; Diagnostic apparatus, not for medical purposes; Electronic checking apparatus; Electronic meters; Interfaces, For example, Interfaces for computers, Interface programs for computers; Electronic controllers, control circuits and control installations, all the aforesaid for controlling spray coating devices and spray coating installations, in particular for coating and painting; Remote controllers for powder spray guns; downloadable application software, Especially, for use in relation to the following goods: Smartphones, Tablet computers, e-readers, Other mobile or fixed apparatus; Control software for industrial processes; Control devices, Regulating apparatus, Including all the aforesaid goods in electrostatic design.