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Temperature controller circuit for hatching and breeding
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Soil humidity detection device for agriculture production
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Anti-cut controller for electric lawn mowers
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Automatic humidity controller for greenhouse cultivation
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Device for automatically monitoring and controlling humidity in greenhouse for greenhouse cultivation
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Storage warehouse fullness reminding and alarming circuit for harvesters
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Safety protection circuit of agricultural air compressor
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Simple agricultural storehouse full degree reminding device
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Automatic delaying shutdown circuit for microwave oven control
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Lightning protector for computer
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Photoelectric isolation drive circuit for computer
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Interface circuit for RS232 interface and current loop circuit
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Efficient multiple-output DC-DC conversion power supply circuit for portable instruments
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Simple computer video card temperature superstandard alarm apparatus
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Photoamplifier circuit for photoelectric reader for computer
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