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发明名称
摘要
申请公布号
JPH0527240(Y2)
申请公布日期
1993.07.12
申请号
JP19850161807U
申请日期
1985.10.22
申请人
发明人
分类号
B21J13/08;B21D43/05;B21K27/00;F16B7/04;(IPC1-7):B21J13/08
主分类号
B21J13/08
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