00000nz a2200000n 4500 001 KSH1999011703 005 20021203000000 008 990302 n azknn|abn |a a|a | 150 ▼a상계 행위[相計行爲]▲ 450 ▼wr▼i일본어▼a相殺行爲▲ 550 ▼a상계(채권)[相計]▲