01189nam a2200277 c 4500001001300000005001500013007000300028008004100031020003400072049002800106052001600134056001300150082001200163245021100175260003900386300006300425504003400488650003400522650004700556650004000603700005300643880013900696880003900835880002600874950001100900KMO20240874120240507140929ta240207s2023    ulkacd        001   kor    a9791168752832g93500:c\300000 lEM8719563lEM8719564c201a507.5b24-1  a507.52601a608223206880-01a(혁신적 파괴·과학기술 원리를 활용한) 다이슨 날개없는 선풍기 선행개념 연구개발 =xAdvanced concept research & development of Dyson bladeless fan /d저자: 이국환  6880-02a서울 :b구민사,c2023  a154 p. :b삽화(일부천연색), 도표, 초상 ;c24 cm  a참고문헌과 색인 수록 8a발명[發明]0KSH1998017593 8a제품 개발[製品開發]0KSH1998004897 8a선풍기[扇風機]0KSH19980048871 6880-03a이국환,g李國煥0KAC2017132354aut006245-01/(BaHyeoksinjeok pagoe·gwahak gisul wolli reul hwaryong han Daiseun nalgae eomneun seonpunggi seonhaeng gaenyeom yeongu gaebal  6260-02/(BaSeoul :bGuminsa,c20231 6700-03/(BaI, Gukhwan0 b\30000