Lifting-lowering type aquarium filter

Assignee

• Eheim Gmbh & Co. Kg

Inventors

• Walter Weidenmann (1 patents)
• Frank v. Luetzau (1 patents)
• Gerhard Frank (3 patents)
• Michael Schmidt (10 patents)
• Ferdinand Mayer (12 patents)
• Ulrich Herold (3 patents)

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