4. Liquid purification or separation
  5. Plural distinct separators
  6. Filters

Franz Koppe

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Method for manufacturing a porcelain body in a desired shape

Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – Of inorganic materials
Reexamination Certificate

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Method for producing ceramic foils

Plastic and nonmetallic article shaping or treating: processes – Outside of mold sintering or vitrifying of shaped inorganic... – Casting of film
Reexamination Certificate

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Porous ceramic filter

Liquid purification or separation – Plural distinct separators – Filters
Patent

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Profile ID: LFUS-PAI-P-1938238

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