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发明名称
摘要
申请公布号
JPS5814019(Y2)
申请公布日期
1983.03.18
申请号
JP19780081912U
申请日期
1978.06.16
申请人
发明人
分类号
B21J13/14;B21K27/00;(IPC1-7):B21J13/14
主分类号
B21J13/14
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代理人
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