Compositions: ceramic
Ceramic compositions
Glass compositions, compositions containing glass other than...
Inventor
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Acidproof, hydrolysis-resistant optical and ophathalmic glass of
Acidproof, hydrolysis-resistant optical and ophthalmic glass of
CdO-ThO.sub.2 -Free, highly refractive optical glass
High absorbance Pb-containing glass for cathode ray tube picture
Highly refractive, ThO.sub.2 -free optical glasses having refrac
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