00000nz  a2200000n  4500
001  KSH1998042349
005  20031021011412
008  980513 n azknn|abn          |a a|a    | 
150  ▼a도체층[導體層]▲
450  ▼wr▼i영어▼aconductor layer▲
550  ▼a도체(물질)[導體]▲