A3B-20PA-2DSA(51) A3B-20PA-2DSA(54) A3B-20PA-2DSA(71) A3B-20PA-2DSA(74) A3B-22PA-2DS(51) A3B-22PA-2DS(71) A3B-22PA-2DSA(51) A3B-22PA-2DSA(71) A3B-24D-2C A3B-24PA-2DS