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2012.12.27
¹ß·¹ÇпøÀ̳ª ¿¹¼úȸ°ü ¹«´ë¿ë °í¹«Æǵµ Ãë±ÞÇϽóª¿ä?
Thk => 2 mm
W => 1.2 m
L => 20 m
ȸ»ö °í¹«ÆÇÀ» ã°í ÀÖ½À´Ï´Ù.
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2012.11.27
Ŭ¶óÀ̹־ÈÀü¸ÅÆ® ¹®Àǵ帳´Ï´Ù.
2013.1.14