4. D - Textiles, Paper
  5. 21
  6. H

Erwin Bettschen

D - Textiles – Paper – 21 – H

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Optical brightening of paper

D - Textiles – Paper – 06 – L
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Process for the waterproof dyeing of paper materials

D - Textiles – Paper – 21 – H
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Profile ID: LFCA-PAI-P-900895

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