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发明名称
BLACKENING METHID OF STEEL PLATE OR STEEL HOOP SURFACE
摘要
申请公布号
JPS556422(A)
申请公布日期
1980.01.17
申请号
JP19780077033
申请日期
1978.06.27
申请人
NIPPON STEEL CORP
发明人
MAEDA SHIGEYOSHI;ARAI SHINICHI;SHINDOU YOSHIO
分类号
C25D13/04;C25D9/06
主分类号
C25D13/04
代理机构
代理人
主权项
地址
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