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building height automatic measuring device
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Extraction separation system for separating rubidium ions from salt lake brine and use method thereof
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Pretreatment method for magnesium alloy chemical plating
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Experimental device for simulation concrete infiltration durability
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A kind of maximum power tracking and controlling method and system of photovoltaic array
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A method of high-purity strontium nitrate is prepared using strontium slag
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A kind of high efficiency high power millimeter wave synthesis power amplifier
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Intelligent alarm control device and method
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A kind of drainage system and method for municipal road pavement
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A kind of settling pit
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A kind of soil pressure testing device
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A method of preparing potassium chloride
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A kind of middle Tibetan medicine pharmaceutical products ingredient ultrasound high-efficiency device for extracting
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