Detail
Type Hrgr. - Ruthenzahl is a Häusergruppe (Group of Houses).
Kr Achim - The Kreis for Ruthenzahl is Achim. A Kreis is a government district (similar to a U.S. county).
See Oyten - A See notation means the entry is dependent on another entry. In this case, Ruthenzahl is dependent on Oyten, which should be consulted for additional information.