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Graphite qualities (Tokai Carbon)    Download

Graphite qualities (SGL Group)    Download

Graphite qualities (Mersen)    Download

Borehole patterns (www.graphitshop.de)    Download

Certificate ISO 9001:2015 (engl.)    Download

Zertifikat ISO 9001:2015 (dt.)    Download

TVB Image brochure     Download