Concentration meters, namely, ion concentration analyzers; liquid analyzers, namely, water quality analyzers; measurement devices of oxygen level in gases and liquids; hygrometers; residual gas analyzers; analyzing machines and instruments, namely, portable electronic devices for monitoring hydrogen-ion concentration and oxidation-reduction potential, liquid analyzers; computer software for setting of operating parameter for analyzing machines and instruments

PRINTED MATERIALS, NAMELY DIRECTORIES AND CATALOGUES FEATURING ADVERTISING

Computer peripheral devices

repair of new and re-manufactured telephone headsets

Repair of new and re-manufactured wireless telephones, telephone handsets and headsets, audio and video conference telephones, voice over internet protocol (VOiP) technology telephone apparatuses and computer peripheral devices; Installation and maintenance of new and re-manufactured wireless telephones, telephone handsets and headsets, audio and video conference telephones, voice over internet protocol (VOiP) technology telephone apparatuses

repair of new and re-manufactured telephone headsets