Desc:50 Keys Programmable Keyboard All in One Cash Register with Card Reader Magnetic Head(Model No. KB50)Introduction:Key FeaturesWith 50 switches,good ta...
Desc:Product DescriptionDescriptionOptical fibers are basically composed of two coaxial layers: core and cladding. The core is the inner part of the fiber,...
Desc:Product DescriptionDescriptionOptical fibers are basically composed of two coaxial layers: core and cladding. The core is the inner part of the fiber,...
