00772nam a2200229 c 4500001001300000005001500013007000300028008004100031041001300072049002800085052001800113056001500131082001600146245006900162260005500231300003800286546005100324650004000375650005300415710005700468950001700525KMO20216391820211217154912ta211124s2020    ulkad         000   kor  0 akoraeng0 lEM8126065lEM8126066c201a530.463b21-2  a530.4632601a620.14322300a내화물공업현황 /d대한내화물공업협동조합 [편]  a서울 :b대한내화물공업협동조합,c2020  a181 p. :b삽화, 도표 ;c30 cm  a본문은 한국어, 영어가 혼합수록됨 8a내화재[耐火材]0KSH1998023823 8a내화물 공업[耐火物工業]0KSH2000010326  a대한내화물공업협동조합0KAB2018075774aut1 a가격불명