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发明名称
摘要
申请公布号
JP2946992(B2)
申请公布日期
1999.09.13
申请号
JP19930045788
申请日期
1993.02.10
申请人
NIPPON KOKAN KK
发明人
HIRAI RYUSHI;KOBAYASHI YASUO;KIMURA HIDEMICHI
分类号
C21D6/00;C21D8/00;C22C38/00;C22C38/58;(IPC1-7):C21D6/00
主分类号
C21D6/00
代理机构
代理人
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