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CN108092461A
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A kind of electromagnetic type power generator based on body kinetic energy
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CN107994580A
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The three-phase four-wire system APF control methods being combined using Cycle Control and SVPWM
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CN107871414A
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Maintenance electrician training tutoring system and method based on VR and BIM technology
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CN108010071A
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A kind of Luminance Distribution measuring system and method using 3D depth surveys
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CN107698214A
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Possesses the non-golden underwater artificial marine habitat of muscle material of seawater sea sand of self-repair function
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CN107459187A
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Water treatment facilities, method and system
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CN107558438A
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A kind of flood fighting barricade and its construction method
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CN107436981A
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Oil plant rocks the method for building up of numerical model inside vehicle-mounted metallic oil tank
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CN107416753A
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Combined type transports refueling device
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CN107195227A
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Multi-functional development board and analogue system
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CN107368938A
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A kind of individual landslides risk of loss quantitative evaluating method
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CN107193963A
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A kind of distributed development method of database application system
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CN107082462A
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A kind of modified and reinforced tubular type fresh-water generator in surface
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CN107194033A
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It is a kind of to leak evaporation capacity computational methods in open environment petrochina
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CN107017666A
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Small-sized single-phase synchronous generator paired running system FEM model method for building up
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CN108569490A
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Oil depot tank bottom oil leak on-line measuring device
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CN107066671A
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A kind of steel oil tank bottom Corrosion protection grade method
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CN108003195A
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Phosphorous nitride is modified the preparation method of methyl oleate lubricating oil biodegradation promotor
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CN107873338A
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A kind of photovoltaic greenhouse agriculture and collection rain condensate integrated system
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