CN110333442A
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A kind of electric relay detection device and automatic checkout equipment of relay
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CN110379678A
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A kind of relay material strip stamping riveting enters the method and apparatus of pedestal
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CN109905659A
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A kind of monitoring system
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CN109896582A
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A kind of device of photo catalytically treating waste water
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CN109905082A
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A kind of photovoltaic cell
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CN109899218A
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A kind of ocean power generating device
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CN109901027A
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A kind of frequency conversion resonance experiment device
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CN109903588A
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A kind of flight delay early-warning system
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CN109905188A
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A kind of water sound sensor network simulation system
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CN109894589A
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A kind of water cooling plant
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CN109899232A
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A kind of wind power generating set system
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CN109901613A
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A kind of unmanned plane freight transport system
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CN109905905A
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A kind of forwarded method
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CN109899219A
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A kind of tide energy energy conversion system
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CN109899238A
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A kind of wind-driven generator
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CN109904829A
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A kind of current quick system
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CN109905182A
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A kind of underwater sensor network framework
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