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The homepage is operated by

ABeffekt limited liability company

Berliner Strasse 77

D-33647 Bielefeld

Managing director authorized to represent: Dipl.-Ing. Andreas Wdowiak

You can reach us via


Phone: 0521/33784685

the contact form attached on our homepage

Register court: Bielefeld District Court

Register number: HRB 41774

Sales tax identification number acc. § 27a UStG: DE 300623275

Responsible for content: Dipl.-Ing. Andreas Wdowiak