4. Gas separation
  5. Zigzag, corrugated, or conical

Hans-Jürgen Richter

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Casting material for producing casting molds for casting...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
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Ceramic flat membrane and method for producing the same

Gas separation – Zigzag – corrugated – or conical
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Ceramic multilayer filters and method for producing the same

Liquid purification or separation – Filter – Material
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