00000nz a2200000n 4500 001 KSH1998039734 005 20040829013001 008 980429 n azknn|abn |a a|a | 150 ▼a회전계[回轉計]▲ 550 ▼wg▼a적산계[積算計]▲ 550 ▼a주파수계[周波數計]▲ 550 ▼a타코미터[tachometer]▲