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发明名称
摘要
申请公布号
JPH0196234(U)
申请公布日期
1989.06.26
申请号
JP19870191709U
申请日期
1987.12.17
申请人
发明人
分类号
B21D45/04;B21D43/00;(IPC1-7):B21D45/04
主分类号
B21D45/04
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代理人
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