4. Chemistry of carbon compounds
  5. Miscellaneous organic carbon compounds

Alfons Kreher

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Precipitated silicic acid granules

Chemistry of carbon compounds – Miscellaneous organic carbon compounds
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Process and apparatus for granulating powdery materials

Solid material comminution or disintegration – Apparatus – Cooperating comminuting surfaces
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Process for the production of mixed granulate from carbon black

Plastic and nonmetallic article shaping or treating: processes – Forming articles by uniting randomly associated particles – Agitating to form larger particles
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