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

Kearing brand plastic slide ruler, high quality opaque plastic slide ruler , velocity pressure in water, opaque plastic slide ruler #KSL01

air velocity calcuator
>For calculation&conversion of temperature,time,distance,
>can provide

This air duct calculator "wizard" wheel is one of our most requested duct design calculators.
On side 1, perform standard industry calculations.
Side 2 shows drawings and sizes for commonly used fittings and connections.
Punched to fit a 3 ring binder.

Material: Heavyweight calculator board

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 Metal Aviation &Plastic Flight Computer,flight paper student plotter for pilot training,computer flight case,paper cutting plotter KNMP-1

Metal Aviation &Plastic Flight Computer,flight paper student plotter for pilot training,computer flight case,paper cutting plotter#KCRP-5

Shanghai Kearing Stationery Co,. Ltd is the specialist and leading manufacturer in this field in China, and she is a high technology products manufacturer confirmed and awarded by Shanghai Science & Technology Committee.Kearing can offer you every kind of French curves set with top quality.

All Kearing Curves have been selling well in both domestic markets and international markets for their top quality and best price. Kearing Curves sets have been exported to Eastsouth Asia,Japan,America,Europe,South Africa etc.Thanks for you looking

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