00000nz  a2200000n  4500
001  KSH1998003385
005  19980429125001
008  980429 n azknn|abn          |a a|a    | 
150  ▼aTELENET▲
550  ▼wg▼a패킷 교환망[--交換網]▲
550  ▼aTYMNET▲
550  ▼a패킷[packet]▲