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3、( ) 2 , . KS V 2217:2012 4 : mm 1 KS B 0201 . 2 KS B 1012 . 3 KS B ISO 1234 . 4 KS V 3431 1A 220 . 3 , 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ KS V 2217:2012 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Ships light load derrik gooseneck brackets ICS 47.020.40 Korean Agency for Technology and Standards http:/www.kats.go.kr