suchen [und] SGB KS 63-[12][0123456789][0123456789][0123456789]* or KS 63-3[0123][0123456789][0123456789]* or KS 63-34[012345678][0123456789]* or KS 63-349[0123456789]* or KS 63-050[0123456789]* or KS 63-05[123456789][0123456789]* or KS 63-0[6789][0123456789][0123456789]*