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发明名称
ETCHING APPARATUS OF STEEL MATERIALS
摘要
申请公布号
KR920000538(Y1)
申请公布日期
1992.01.15
申请号
KR19890020929U
申请日期
1989.12.30
申请人
POHANG IRON AND STEEL CO., LTD.;KOREA INDUSTRIAL TECHNOLOGY INSTITUTE
发明人
LEE, SUN - YONG;KIM, KI - HUN;AN, BYUNG - KWAN
分类号
C23F1/00;(IPC1-7):C23F1/00
主分类号
C23F1/00
代理机构
代理人
主权项
地址
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