suchen [und] SGB RO 89-[123][0123456789][0123456789][0123456789]* or RO 89-4[012345678][0123456789][0123456789]* or RO 89-49[012345678][0123456789]* or RO 89-499[0123456789]* or RO 89-0[123456789][0123456789][0123456789]* or RO 89-00[123456789][0123456789]* or RO 89-000[123456789]*
