00000nz a2200000n 4500 001 KSH1998043766 005 20021111012832 008 980514 n azknn|abn |a a|a | 150 ▼a좌표 전위차계[座標電位差計]▲ 450 ▼wr▼i영어▼acoordinate type potentiometer▲ 550 ▼wg▼a전위차계[電位差計]▲