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发明名称
摘要
申请公布号
JPH01153838(U)
申请公布日期
1989.10.23
申请号
JP19880048810U
申请日期
1988.04.13
申请人
发明人
分类号
B21D43/05;B21K27/00;(IPC1-7):B21K27/00
主分类号
B21D43/05
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