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Detlef Kujas
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Cologne, DE
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last 30 patents
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Patent Grant
Fire resistant glass partition
Patent number
5,380,569
Issue date
Jan 10, 1995
Fachverband Glasdach- und Metallbau e.V.
Detlef Kujas
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES