项目归档： Germanium Lenses

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For Thermal Imaging Germanium Lenses Ge Window Ge Lens With AR Coating

Double Concave Crescent Germanium Window For Solar Water Heating Installations

Customized Size Germanium Lens Germanium Window High Density

2.0 – 16.0 μm Wavelength Germanium Lens with Hole in the middle AR Coated