00000nz a2200000n 4500 001 KSH2005008699 005 20050504074641 008 050504 n azknn|abn |a a|a | 150 ▼a감자 육종[甘藷育種]▲ 550 ▼wg▼a육종(종자)[育種]▲ 550 ▼a감자(식물)[甘藷]▲ 550 ▼a씨 감자▲