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4、02 2009 0234 2008.8.25 ： a) 1. b) 2. . , . ( .) . . . ( ) . c) ISO KS ISO 139 KS K ISO 139 d) 7. e) 9. f) A 135513 7017 (02)60094114 (02)600948878 http：/ KS K ISO 2647:2009 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS WoolDetermination of percentage of medullated fibres by the projection microscope ICS 59.060.10 Korean Agency for Technology and Standards http:/www.kats.go.kr
