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Method for expanding data channel in remote control receiving device of model airplane
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Device of using wind power electricity as power supply to automatically remove ice and snow from ramp
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Chinese ancient zither with solar photovoltaic generating system supplying power to music sensor
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Chinese bamboo flute with wind power generating system supplying power to music sensor
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Vertical boxing speed ball capable of measuring and reporting hit times by using solar cell as power supply
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Alarming constant-temperature fish tank for measuring and predicting gas content of room
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Alarm device for detecting and reporting metal object on automobile tire
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Harp having wind generation system to supply power for music sensor
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Guzheng with wind power generation system for supplying power for music sensor
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Boxing training sandbag for measuring and reporting punching power values by using solar cell as power source
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Bamboo flute with solar energy photovoltaic power generating system supplying power to music sensor
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