½ÂÂ÷¿ë¾ÈÀü¸ð : B521R221-21001A
½ÂÂ÷¿ë¾ÈÀü¸ð(´«º¸È£±¸) : B521R221-21002
½ÂÂ÷¿ë ¾ÈÀü¸ð (´«º¸È£±¸) : B521R221-21003