Optical Glass
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 GAG
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 GSGxxx-boro
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 GSGxxx-clear
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 GSGxxx-saphir
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 GSGxxx-germ
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 GSGxxx-calcium
|
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 GSGxxx-Zn
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 GSGxxx-silizium
|
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 GSGxxx-quarz
|
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 GSGxxx-silica
|
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 GSGxxx-mag
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