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发明名称
摘要
申请公布号
JPS58111104(U)
申请公布日期
1983.07.29
申请号
JP19820000056U
申请日期
1982.01.21
申请人
发明人
分类号
B21B37/58;B21B37/00;B21C51/00;(IPC1-7):B21B37/00
主分类号
B21B37/58
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代理人
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