00982nam a2200289 c 4500001001300000005001500013007000300028008004100031020003400072020002700106049002800133052001700161056001300178082001200191245012300203260004700326300002900373490001100402650003400413650003400447700006100481830001100542880005100553880005100604880002600655950001100681KMO20222632020220707144447ta220401s2021    gbka          000   kor    a9791190324106g04500:c\250001 a9791190324083 (세트)0 lEM8217066lEM8217067c201a502.9b22-11  a502.92601a608223006880-01a[강한 특허 검색] 방법 :b[강한 검색] 없이 [강한 발명/특허] 없다! /d지은이: 이재근  6880-02a[경산] :b이도출판사,c2021  a372 p. b삽화 ;c30 cm10aINVENT 8a특허[特許]0KSH1998011717 8a검색[檢索]0KSH20010252121 6880-03a이재근,g李在根,d1952-0KAC2022928244aut 0aINVENT006245-01/(Ba[Ganghan teukheo geomsaek] bangbeop  6260-02/(Ba[Gyeongsan] :bIdo Chulpansa,c20211 6700-03/(BaI, Jaegeun0 b\25000