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发明名称
摘要
申请公布号
JP2580529(Y2)
申请公布日期
1998.09.10
申请号
JP19930034157U
申请日期
1993.05.31
申请人
发明人
分类号
B21F23/00;B23K3/06;B65H51/00;(IPC1-7):B23K3/06
主分类号
B21F23/00
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