4. Electricity: circuit makers and breakers
  5. Multiple circuit control
  6. Multiple switch

Ralf Sauer

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Dual component keyboard unit

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent

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Dust filter bag for a vacuum cleaner

Gas separation – With means facilitating transportability or handling of... – Handle feature for apparatus or part thereof
Patent

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Dust filter bag for a vacuum cleaner

Gas separation – Flexible or collapsible bag type – Valved – self-closing – or apparatus contained bag closing means
Patent

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Filter bag and method for the production thereof

Gas separation – Flexible or collapsible bag type – Seaming – reinforcing or bag structure
Reexamination Certificate

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Filter bag for a vacuum cleaner and use thereof

Gas separation: processes – Filtering – Plural separate media
Reexamination Certificate

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Profile ID: LFUS-PAI-P-273544

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