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发明名称
摘要
申请公布号
JPH0680526(U)
申请公布日期
1994.11.15
申请号
JP19930022227U
申请日期
1993.04.27
申请人
发明人
分类号
B21D28/02;B21D45/00;B23K26/00;B23K26/38;B23P23/04;B24B9/00;(IPC1-7):B23P23/04
主分类号
B21D28/02
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