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发明名称
摘要
申请公布号
JP2607630(B2)
申请公布日期
1997.05.07
申请号
JP19880179027
申请日期
1988.07.20
申请人
发明人
分类号
B21B27/03;C23C2/00;(IPC1-7):B21B27/03
主分类号
B21B27/03
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代理人
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