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发明名称
摘要
申请公布号
JPH0721220(U)
申请公布日期
1995.04.18
申请号
JP19930052139U
申请日期
1993.09.27
申请人
发明人
分类号
B21D39/04;B30B1/32;(IPC1-7):B21D39/04
主分类号
B21D39/04
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