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last 30 patents
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Patent Grant
Optical glass
Patent number
4,076,647
Issue date
Feb 28, 1978
Jenaer Glaswerk Schott & Gen.
Marga Faulstich
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Optical glass
Patent number
3,999,997
Issue date
Dec 28, 1976
Jenaer Glaswerk Schott & Gen.
Marga Faulstich
C03 - GLASS MINERAL OR SLAG WOOL