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OPTICAL APPARATUS AND INSTRUMENTS; OPTICAL APPARATUS AND INSTRUMENTS FOR MEASUREMENT, INTERROGATION, OR PROCESSING OF OPTICAL SIGNALS; OPTICAL COMPONENTS; OPTICAL DEVICES; FIBER-OPTIC COMPONENTS; FIBER-OPTIC DEVICES, OPTICAL FIBER GRATINGS, OPTICAL COMPONENTS INCORPORATING OPTICAL FIBER GRATINGS, OPTICAL DEVICES INCORPORATING OPTICAL FIBER GRATINGS, OPTICAL WAVEGUIDE DEVICES; PLANAR OPTICAL WAVEGUIDE DEVICES, AND PARTS AND FITTINGS FOR ALL OF THE AFORESAID GOODS;

SCIENTIFIC RESEARCH, PHYSICS RESEARCH, FIBER-OPTIC ENGINEERING RESEARCH, RESEARCH AND DEVELOPMENT SERVICES FOR OTHERS, ALL OF THE AFORESAID SERVICES RELATING TO OPTICAL APPARATUS, INSTRUMENTS AND DEVICES, OPTICAL APPARATUS, INSTRUMENTS AND DEVICES FOR MEASURING, INTERROGATING AND PROCESSING OPTICAL SIGNALS, FIBER-OPTIC DEVICES AND COMPONENTS, DEVICES INCORPORATING FIBER-OPTIC GRATINGS, OPTICAL WAVEGUIDE DEVICES, INSTRUMENTATION AND MEASUREMENT TECHNOLOGY AND TELECOMMUNICATIONS TECHNIQUES