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发明名称
摘要
申请公布号
JP3506846(B2)
申请公布日期
2004.03.15
申请号
JP19960175613
申请日期
1996.06.14
申请人
发明人
分类号
B23D21/00;B21C51/00;B21D3/02;B21D7/024;(IPC1-7):B21D7/024
主分类号
B23D21/00
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