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Maintenance services of watches and clocks; manufacturing of electronic components and components; wholesale trade of commodities (excluding commodities subject to license and approval); wholesale of electronic products; retail of electronic products; wholesale of electronic components; manufacturing of clocks and timepieces; manufacturing of optoelectronic devices and other electronic devices; retail of electronic components; retail of watches and glasses; wholesale of clocks and clocks; import and export of technology; import and export of goods (excluding commodities under exclusive control);
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