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Mainz, DE
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last 30 patents
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Patent Grant
Method and device for refining a glass melt using negative pressure
Patent number
7,231,788
Issue date
Jun 19, 2007
Schott AG
Frank Karetta
C03 - GLASS MINERAL OR SLAG WOOL
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last 30 patents
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Patent Application
Method and device for refining a glass melt using negative pressure
Publication number
20050097922
Publication date
May 12, 2005
Frank Karetta
C03 - GLASS MINERAL OR SLAG WOOL