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发明名称
摘要
申请公布号
JPH0110120(Y2)
申请公布日期
1989.03.22
申请号
JP19830133994U
申请日期
1983.08.30
申请人
发明人
分类号
B21D43/00;B21D43/02;B21D43/05;B21D43/10;B21D43/24;B65H5/10;(IPC1-7):B21D43/24
主分类号
B21D43/00
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代理人
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