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摘要
申请公布号
JP2515578(Y2)
申请公布日期
1996.10.30
申请号
JP19890097461U
申请日期
1989.08.23
申请人
发明人
分类号
B21C51/00;B21D28/00;B21D28/36;B21D37/04;(IPC1-7):B21D28/00
主分类号
B21C51/00
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