00000nz  a2200000n  4500
001  KSH1999019284
005  20180510152712
008  990622 n azknn|abn          |a a|a    | 
150  ▼a냉음극 이온화 진공계[冷陰極--化眞空計]▲
450  ▼a페닝 진공계[--眞空計]▲
450  ▼a필립스 진공계[--眞空計]▲
450  ▼wr▼i영어▼aPhilips gauge▲
450  ▼wr▼i영어▼acold cathod ionization gauge▲
450  ▼wr▼i영어▼apenning gauge▲
550  ▼wg▼a진공계[眞空計]▲