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Gas intrinsic safety type explosion-proof device
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The underwater modulated structure of one seed nucleus
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A kind of tunnel illumination structure and method
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A kind of used in nuclear power station lifting lamp structure
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Based on the molding heat spreader structures of graphene platelet paper folding and method
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A kind of high-power narrow light beam LED light for nuclear power station
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A kind of plugging structure for cable hole
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A kind of LED fishing lamps
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A kind of LED searchlight illuminated for optically thinner medium to optically denser medium
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Cutoff LED panel light
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High-voltage power transmission line testing and alarming system
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Splash electric tower indicator based on inductive energy accumulation
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