000  $anz n  2
000  $a주제어
001  $aKSH1999004890
005  $a20021206000000
008  $a990121 n azknnaabn          |a a|a    | 
150  $a추가 특허[追加特許]
450  $wr$i독일어$aZusatzpatent
450  $wr$i영어$aadditional patent
450  $wr$i영어$apatent of addition
450  $wr$i영어$asecond patent
550  $wg$a특허[特許]