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发明名称
摘要
申请公布号
JPS6094326(U)
申请公布日期
1985.06.27
申请号
JP19830185924U
申请日期
1983.12.01
申请人
发明人
分类号
B21C37/15;B21D15/04;B21D39/20;B21D41/02;(IPC1-7):B21D15/04
主分类号
B21C37/15
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