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A kind of self-protection antioverloading breaker device in solar tracking system
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Low-power-consumption pulse flashing bird expelling device
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Shaft type solar street lamp following device
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Limit switch circuit used in smoke control system
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Activator of lead-acid storage battery
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Wireless remote control signal active receiving circuit used in smoke control system
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Main control circuit applied to activation device
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Anti-reverse lifting and falling control circuit for smokeproof screen system
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Output voltage control circuit used in active device
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Feeding device for centrifugal machine
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Grading and discharging device used for pulverizer
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Clamping device for milling machine
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