4. Cleaning and liquid contact with solids
  5. Processes
  6. Hollow work, internal surface treatment

Helmut Welp

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Method for wet flue gas desulfurization and device for...

Chemistry of inorganic compounds – Modifying or removing component of normally gaseous mixture – Sulfur or sulfur containing component
Reexamination Certificate

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Process for cleaning surfaces of interior parts in two-stage flu

Cleaning and liquid contact with solids – Processes – Hollow work – internal surface treatment
Patent

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Profile ID: LFUS-PAI-P-1687330

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