Material of Surface – very important
954-0357 Lawn Mowers
the minimum complete shrinkage temperature is 110 ℃
INTELLIGENT CONTROL SYSTEM ---- Built-in vibration sensor is
which is complied with requirments for materials in contact with food and drinking water
6pc Optical Lens Set, 2" - 200mm, 300mm, 500mm Focal Lengths - 3 Double Convex & 3 Double Concave, 2" (50mm) Diameter Lenses - Optically True Glass - Ground, Beveled Edges - Eisco Labs bee Material of Surface – very6pc Optical Lens Set, 2" 200mm, 300mm, 500mm Focal Lengths 3 Double Convex & 3 Double Concave, 2" (50mm) Diameter Lenses Optically True Glass Ground, Beveled Edges Eisco Labs Product Features SPHERICAL Each lens is spherical in shape and measures 2" (50mm) in diameter FOCAL LENGTH VARIETY Converging and diverging focal lengths in 200mm, 300mm and 500mm OPTICALLY WORKED GLASS Made of high quality, optically worked glass. Highly polished with ground