winter vertical foldable mask from xiulin

winter vertical foldable mask from xiulin

  • Description

    : high conductivity metal: Topics by Science.gov0183;32;High conductivity composite metal. DOEpatents. Zhou, R.; Smith, J.L.; Embury, J.D. 19980106. Electrical conductors and methods of producing them are disclosed, where the conductors possess both high strength and high conductivity.Conductors are comprised of carbon steel and a material chosen from a group consisting of copper, nickel, silver, and gold.www.science.govJun 06, 2018yields highenergydensity plantbased: Topics by Science.govMay 30, 2018hightemperature thermal conductivity: Topics by Science.govMay 01, 2018allsolidstate ultraviolet laser: Topics by Science.govApr 01, 2018See more results
  • Type

    : Disposable / Reusable
  • Function

    : Coronavirus, Anti-pollution, PM2.5, cold, dust, pollen, allergy
  • Package

    : 10pcs/20pcs/50pcs per pack
  • Certification

    : CE, FDA, ISO
  • Min Order

    : 1000 Pieces
  • Chat Now[email protected]

winter vertical foldable mask from xiulin Description

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