4. C - Chemistry, Metallurgy
  5. 09
  6. B

Siegfried Schwerin

C - Chemistry – Metallurgy – 09 – B

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Disazo pigment, process for preparing it and its use

C - Chemistry – Metallurgy – 09 – B
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Nitrogen-containing surface-active agents

C - Chemistry – Metallurgy – 09 – F
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Process for improving a disazo pigment

C - Chemistry – Metallurgy – 09 – B
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Process for preparing pigment preparations

C - Chemistry – Metallurgy – 09 – C
Patent

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Profile ID: LFCA-PAI-P-284228

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