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... portable lights were also successfully registered. Based on earth-related products, Duke has registered a large number of patents for similar products such as headlights, miner's lamps, searchlights, fill lights, and table lamps, as well as technical patents split from the R&D department.
Such as brightness knob, rotating dimming lens, series lamp heads and so on.
Build a patent barrier for portable light products in every detail to prevent other companies from infringing. ...
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