00000nz  a2200000n  4500
001  KSH1998027500
005  20000211085920
008  980429 n azknn|abn          |a a|a    | 
150  ▼a등호[等號]▲
450  ▼a서로 같다▲
450  ▼wr▼i영어▼aequality sign▲
450  ▼wr▼i북한어▼a같기표(북한어)▲
550  ▼wg▼a연산 기호[演算記號]▲
550  ▼a등식[等式]▲