• Kearing brand OEM plastic slide ruler,air velocity calcuator, velocity pressure in water, opaque plastic slide ruler #KSL01
  • Kearing brand OEM plastic slide ruler,air velocity calcuator, velocity pressure in water, opaque plastic slide ruler #KSL01
  • Kearing brand OEM plastic slide ruler,air velocity calcuator, velocity pressure in water, opaque plastic slide ruler #KSL01
  • Kearing brand OEM plastic slide ruler,air velocity calcuator, velocity pressure in water, opaque plastic slide ruler #KSL01
  • Kearing brand OEM plastic slide ruler,air velocity calcuator, velocity pressure in water, opaque plastic slide ruler #KSL01
  • Kearing brand OEM plastic slide ruler,air velocity calcuator, velocity pressure in water, opaque plastic slide ruler #KSL01
  • Kearing brand OEM plastic slide ruler,air velocity calcuator, velocity pressure in water, opaque plastic slide ruler #KSL01
  • Kearing brand OEM plastic slide ruler,air velocity calcuator, velocity pressure in water, opaque plastic slide ruler #KSL01
  • Kearing brand OEM plastic slide ruler,air velocity calcuator, velocity pressure in water, opaque plastic slide ruler #KSL01
  • Kearing brand OEM plastic slide ruler,air velocity calcuator, velocity pressure in water, opaque plastic slide ruler #KSL01
  • Kearing brand OEM plastic slide ruler,air velocity calcuator, velocity pressure in water, opaque plastic slide ruler #KSL01
  • Kearing brand OEM plastic slide ruler,air velocity calcuator, velocity pressure in water, opaque plastic slide ruler #KSL01

Kearing brand OEM plastic slide ruler,air velocity calcuator, velocity pressure in water, opaque plastic slide ruler #KSL01

US$ 1.3 - 3 / Piece
1000 Pieces(Min. Order)
  • Shanghai
  • L/C Credit Card