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CN103592780A
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Infrared electronic temperature measuring glasses
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CN103475323A
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Power amplifier
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CN103475205A
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Protective circuit
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CN103475322A
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Output amplifier
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CN103473029A
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Multiplier
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CN103583398A
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Dog emotion-relieving collar
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CN103584622A
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Automatic thermosensitive heat dissipating cup
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CN103475324A
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Audio amplification output circuit
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CN103593700A
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Induction type name card
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CN103472280A
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Voltage detection circuit
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CN103475321A
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Power amplifier
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CN103457488A
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Series voltage stabilizing circuit
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CN103475325A
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Amplification circuit
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CN103475235A
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Parallel-connection voltage stabilizing circuit
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CN103472277A
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Voltmeter circuit
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CN103583321A
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Automatic irrigation device
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CN103560683A
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Voltage-stabilizing power supply
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CN103475234A
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Boosting and voltage stabilizing circuit
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CN103580608A
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Adjustable signal source circuit
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CN103457532A
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Speed sensor-less magnetic flux linkage vector control method based on fuzzy self-adaptation
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