EXPERIMENT KIT FOR STUDYING SOLIDIFICATION AND LIQUEFACTION PHENOMENA

The invention discloses an experiment kit for studying solidification and liquefaction phenomena, which comprises a cup body, and also comprises a cup lid matched with the cup…

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LIGHTING UNIT OF SADDLED VEHICLE

The invention provides a lighting unit that facilitates utilization of light of a position light when a driver is in a riding state. A position light (50)…

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