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501 Espe Stiftung & Co. Produktions-Und
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Seefeld, DE
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Patent Grant
Two-stage photocuring process for a dental composition
Patent number
5,472,991
Issue date
Dec 5, 1995
501 Espe Stiftung & Co. Produktions-Und
Werner Schmitt
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE