4. Synthetic resins or natural rubbers -- part of the class 520 ser
  5. Synthetic resins
  6. From carboxylic acid or derivative thereof

Ulf Seidel

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Method for producing polyesters and copolyesters

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof
Reexamination Certificate

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Signal distortion measurement and assessment system and method

Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Parameter related to the reproduction or fidelity of a...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2138524

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