suchen [und] SGB RO 29-750[0123456789]* or RO 29-75[123456789][0123456789]* or RO 29-7[6789][0123456789][0123456789]* or RO 29-8[0123456789][0123456789][0123456789]* or RO 29-9[0123][0123456789][0123456789]* or RO 29-94[012345678][0123456789]* or RO 29-949[0123456789]*