37 Maintenance and repair of ink and toner containers, cassettes and cartridges (empty) for printers, copying machines and other similar electric apparatus (as far as included in class 09) and electronic apparatus and instruments, apparatus for telecommunication (including telephone apparatus) and data communication (also wireless including so-called bluetooth and WIFI), apparatus for recording, transmitting, receiving and reproduction of sound and/or images, photographic apparatus (including digital cameras), magnetic and optical sound, image and data carriers, sound, image and data carriers in the shape of discs, compact discs (CDs), video tapes, video compact discs (image records), interactive CDs (CD-Is), read-only memory discs (CD-ROMs), minis discs, memory carriers (including USB sticks and memory cards), cassettes for computer and video games, cases (adapted to the shape of the product) as well as parts and components (as far as included in class 09), for all aforesaid goods and the refilling of ink and toner containers, cassettes and cartridges for printers, copying machines and other similar apparatus