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发明名称
摘要
申请公布号
JPS62193929(U)
申请公布日期
1987.12.09
申请号
JP19860080591U
申请日期
1986.05.28
申请人
发明人
分类号
B21D37/04;B21D43/05;(IPC1-7):B21D43/05
主分类号
B21D37/04
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