Only the current version so far — new entries appear as the app ships updates.
HERZ STRÖMAX-R is a tools app by PLUM DESIGN with 5,000+ downloads (about 6K estimated). +3 installs in the last 7 days. Released Jan 27, 2014. Install growth, rank history, SDKs and ad networks.
From the store listing: “HERZ STRÖMAX-R is a tool for quick selection of balancing valves.”