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shenzhen,changchun,jilin,China China
الشخص الذي يمكن الاتصال به jing zhao
عنوان shenzhen, changchun, jilin
China Star Optics offers you a very wide range of optical lenses, including spherical lenses, cylindrical lenses, aspherical lenses, windows, prisms,
Holographic gratings: Specifications: Ruled area: 70% Ruled gratings: Specifications: Ruled area: 70% Concave gratings: Specifications: Ruled
Specification of our wide angle lens as follow: 25mm 0.45X wide angle lens 27mm 0.45X wide angle lens 28mm 0.45X wide angle lens 30mm, 30.5mm, 34
Waveplates (retardation plates or phase shifters) are made from materials which exhibit birefringence. The velocites of the extraordinary and ordinary
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