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发明名称
SURFACE TREATING AGENT OF STEEL MATERIAL AND SURFACE-TREATED STEEL MATERIAL
摘要
申请公布号
KR20000070205(A)
申请公布日期
2000.11.25
申请号
KR1019997006431
申请日期
1999.07.15
申请人
发明人
分类号
C23C22/50
主分类号
C23C22/50
代理机构
代理人
主权项
地址
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