Poppe + Potthoff is the enterprise in Germany founded in 1928.
According to PR-model, poppe-potthoff.de is ranked 1,746,438th in multilingual Wikipedia, in particular this website is ranked 214,667th in German Wikipedia.
The website is placed before wordyevidenceofthefact.blogspot.com and after heike-haensel.de in the BestRef global ranking of the most important sources of Wikipedia.