000  $anz n  2
000  $a주제어
001  $aKSH1998042068
005  $a20021201000000
008  $a980429 n azknnaabn          |a a|a    | 
150  $a채널 펄스[channel pulse]
450  $wr$i영어$achannel pulse
550  $wg$a펄스[pulse]
550  $a채널[channel]