team championships
['GDR Badminton Sonderliga 1987/1988', 'German Democratic Republic', 'GDR Badminton Sonderliga 1988/1989', 'team championships', 'badminton', 'GDR Badminton Oberliga', 'GDR Badminton Sonderliga 1986/1987', 'Einheit Greifswald']