4. Optics: measuring and testing
  5. For light transmission or absorption
  6. Of fluent material

Karl-Heinz Wostbrock

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Method and device for determining the total oxygen content...

Optics: measuring and testing – For light transmission or absorption – Of fluent material
Reexamination Certificate

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Method for producing an aqueous hydroxylamine solution...

Distillation: processes – separatory – Particular type of heating
Reexamination Certificate

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Method for producing an aqueous hydroxylamine solution...

Distillation: processes – separatory – Distilling to separate or remove only water – From organic compound
Reexamination Certificate

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Method for the production of a salt-free aqueous...

Distillation: processes – separatory – Distilling to separate or remove only water – From organic compound
Reexamination Certificate

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Purification of ammonia by distillation

Distillation: processes – separatory – With measuring – testing or inspecting
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2352506

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