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One kind smelts cooling device
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One kind refrigeration smelting device
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A kind of ultrasonic automatic control device
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A kind of oxygen removing automatic control device
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A kind of acoustic control smelting device
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One kind removal of impurities automaton
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A kind of temperature automatically controlled smelting device
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A kind of automatic smelting device
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One kind pumping automaton
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One kind insulation automaton
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Simple rubbish bin capable of compressing rubbish
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Cabbage yield increasing fertilizer
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Aid-sleeping bedside lamp
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Electronic device positioning and connecting method and system
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Government affair management system
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An enterprise management system
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Multi-screen interaction method and system
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Government administration service system
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Government affair data management system and processing method
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Cloud computing gateway
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