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Patrick Claus
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Vinderhoute, BE
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Patents Grants
last 30 patents
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Patent Grant
Method for discerning colorless and near colorless diamonds and arr...
Patent number
7,277,161
Issue date
Oct 2, 2007
Wetenschappelijk en Technisch Onderzoekscentrum Voor Diamant
Patrick Claus
G01 - MEASURING TESTING
Patents Applications
last 30 patents
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Patent Application
Method for discerning colourless and almost colourless diamonds and...
Publication number
20060098187
Publication date
May 11, 2006
Wetenschappelijk en Technisch Onderzoekscentrum voor Diamant
Patrick Claus
G01 - MEASURING TESTING