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Experts Talk: "Coloured gemstone of the year"
DescriptionParticipants: Dr. Claudio Milisenda, Jeannette Fiedler, Michael Seubert, Jörg Lindemann, Albert Ruppenthal, Nicole Ripp, Tanja Wenger-FuhrerMore
Participants: Dr. Claudio Milisenda, Jeannette Fiedler, Michael Seubert, Jörg Lindemann, Albert Ruppenthal, Nicole Ripp, Tanja Wenger-Fuhrer
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