000  $anz n  2
000  $a주제어
001  $aKSH1998042413
005  $a20021214000000
008  $a980511 n azknnaabn          |a a|a    | 
150  $a통신 암호 장치[通信暗號裝置]
450  $wr$i영어$acommunication line encryption device
550  $wg$a암호 장치[暗號裝置]