00843nam a2200253 c 4500001001300000005001500013007000300028008004100031020003400072049002800106052001600134056001300150082001200163245007600175260003600251300003000287650003400317650004700351700005300398880006100451880003800512880002800550950001100578KMO20222250220220621151336ta220401s2021 ulka 000 kor  a9788962070712g03500:c\150000 lEM8216952lEM8216953c201a502.9b22-5 a502.92601a608223006880-01a詩가 있는 특허의 이해와 포장산업 /d이청원 저 6880-02a서울 :b관악,c2021 a215 p. :b삽화 ;c24 cm 8a특허[特許]0KSH1998011717 8a포장 산업[包裝産業]0KSH20020318971 6880-03a이청원,g李淸遠0KAC2019065404aut006245-01/(BaSi ga inneun teukheo ui ihae wa pojang saneop 6260-02/(BaSeoul :bGwanak,c20211 6700-03/(BaI, Cheongwon0 b\15000