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CN109489445A
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A kind of air extractor and the heat exchanger with the air extractor
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CN108383191A
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A kind of removable rotating film type deaerating plant of processing buck
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CN108075714A
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A kind of steam-electric power plant stent
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CN108072272A
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Alumina sintering device
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CN108071550A
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A kind of tidal electricity generating apparatus
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CN108071959A
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New type mining lighting device
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CN108071558A
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A kind of wind electricity generating system
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CN108071416A
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A kind of novel mine rescue capsule
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CN108071958A
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A kind of mine lighting device
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CN108071415A
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A kind of mine escape capsule
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CN108377124A
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Steam-electric power plant holder
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CN108071557A
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A kind of wind energy electrification equipment
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CN108013529A
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A kind of mine safety head restraint
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CN108013530A
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A kind of Mine safe cap
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CN108013531A
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Novel mining safety helmet
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CN108013534A
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A kind of novel mining safety helmet
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CN108014693A
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A kind of fertilizer agitating device
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CN108013630A
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Lifesaving Warm cover
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CN108013535A
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Mine safety head restraint
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CN108014696A
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A kind of new-type fertilizer agitating device
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