G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
G02B1/02—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of crystals, e.g. rock-salt, semi-conductors
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Physics & Mathematics
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Chemical & Material Sciences
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Crystallography & Structural Chemistry
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General Physics & Mathematics
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Optics & Photonics
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Financial Or Insurance-Related Operations Such As Payment And Settlement
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Diaphragms For Electromechanical Transducers
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Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation
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