9 High-frequency apparatus, namely, high frequency switches, high frequency mobile and sea-based communication antennas; dynamometers; surveying apparatus and instruments; precision measuring apparatus, namely, optical network measuring apparatus being Electro-optical instruments for use in inspection and measurement of industrial components, optical chip measuring apparatus being Electro-optical instruments for use in inspection and measurement of industrial components, electrical performance measuring apparatus being Electronic devices for measuring electric current , and power chip measuring apparatus being electronic devices for use in inspection and measurement of industrial components; electrical circuit testers; oscillographs; optical apparatus and instruments, namely, optical inspection apparatus, optical character recognition apparatus, optical transmitters; electrical signal attenuators; switches, electric; integrated circuit chips; wavemeters; semi-conductor testing apparatus; spectrograph apparatus; semi-conductor testing machine; probes for testing semiconductors; laser measuring apparatus, namely, laser level measuring apparatus, laser distance meters; antenna parameter measuring apparatus; tool measuring instruments; vacuum tube characteristic testers; spectrograph