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GB201817129D0
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An AC voltage control device
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CN109114453A
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A kind of desk lamp current-source arrangement and its operating method
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CN109158866A
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A kind of tire and its application method of the vehicle based on theory of mechanics
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The tire of vehicle
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Energy-saving spark plug and its manufacturing method
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CN109273991A
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A kind of energy-saving spark plug based on theory of mechanics
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GB201815144D0
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A solar water pump device
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CN109027589A
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A kind of heterojunction solar battery of highly effective and safe
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CN109084148A
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A kind of heterojunction solar battery
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GB201811948D0
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A solar water pump equipment
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CN108832367A
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A kind of automation ac voltage control device
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CN108923160A
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A kind of ac voltage control device of new material
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CN108649387A
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A kind of ac voltage control device
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A kind of low power and high concentration solar battery
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CN108768260A
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A kind of multi-functional low power and high concentration solar battery
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CN108452699A
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A kind of letter box arrangement
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CN108704506A
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A kind of mailbox device
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CN108526695A
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A kind of new pattern laser carving device
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CN108274127A
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A kind of laser carving device
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CN108651222A
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A kind of solar energy water pump configuration
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