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Ultraviolet fused silica standard precision plane
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Ultraviolet fused silica high precision plane wind
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Sapphire standard precision plane window blank
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Sapphire high precision plane window sheet
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Barium fluoride plane window plate
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Calcium fluoride plane window plate
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Zinc sulfide plane window plate
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Zinc selenide plane window plate
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Silicon plane window wafer
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Germanium plane window plate
