• The utility model has the advantages of simple structure, usableness and capability of continuously adjusting the height of the bunk bed.

    实用新型优点结构简单,使用方便,可以连续调节高低高度

    ip.com

  • The utility model availing circulation of the backwater interior the product to lubricate the piston device has the advantages of usableness, long life, and low manufacturing cost or the like.

    实用新型利用产品内部回水循环润滑活塞装置具有使用方便,寿命长造价低等优点

    ip.com

  • The utility model availing circulation of the backwater interior the product to lubricate the piston device has the advantages of usableness, long life, and low manufacturing cost or the like.

    实用新型利用产品内部回水循环润滑活塞装置具有使用方便,寿命长造价低等优点

    ip.com

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