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Filling Amount
| Depending on their specific properties, felt pens ingest different quantities of ink in their resevoir. DOKUMENTAL determine the exact quantity of ink for each reservoir by means of two different tests. Under accurately defined conditions, the reservoir ingests ink until full. In the cross-check test, the reservoir is filled with a cannula.
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28.01.2010
Acquisition of National Ink / Shanghai National Ink by Dokumental
Please click here to see additional information about the acquisition of National Ink / Shanghai National ink by Dokumental....
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