4. Brushing, scrubbing, and general cleaning
  5. Implements
  6. Brush or broom

Butterworth Systems Inc.

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Method for clearing settled sludge

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

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Rotatable brushes

Brushing – scrubbing – and general cleaning – Implements – Brush or broom
Patent

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Sealing arrangement

Receptacles – Closures – Closure penetrated through intersecting slits
Patent

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Sludge removal machine

Cleaning and liquid contact with solids – Apparatus – For work having hollows or passages
Patent

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Tank cleaning device

Cleaning and liquid contact with solids – Apparatus – For work having hollows or passages
Patent

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Profile ID: LFUS-PAI-P-567547

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