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Optical glass
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Patent number 4,076,647
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Issue date Feb 28, 1978
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Jenaer Glaswerk Schott & Gen.
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Marga Faulstich
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C03 - GLASS MINERAL OR SLAG WOOL
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Athermal laser glass
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Patent number 4,022,707
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Issue date May 10, 1977
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Jenaer Glaswerk Schott & Gen.
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Otto Deutschbein
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C03 - GLASS MINERAL OR SLAG WOOL
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Optical glass
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Patent number 3,999,997
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Issue date Dec 28, 1976
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Jenaer Glaswerk Schott & Gen.
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Marga Faulstich
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C03 - GLASS MINERAL OR SLAG WOOL
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Chemically stable optical glass
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Patent number 3,970,466
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Issue date Jul 20, 1976
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Jenaer Glaswerk Schott & Gen.
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Marga Faulstich
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C03 - GLASS MINERAL OR SLAG WOOL