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发明名称
摘要
申请公布号
JPH0114344(Y2)
申请公布日期
1989.04.26
申请号
JP19830087612U
申请日期
1983.06.08
申请人
发明人
分类号
B21D28/10;B21D13/04;B21D28/12;B21D53/08;(IPC1-7):B21D13/04
主分类号
B21D28/10
代理机构
代理人
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