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发明名称
摘要
申请公布号
JPS6313874(Y2)
申请公布日期
1988.04.19
申请号
JP19820040305U
申请日期
1982.03.24
申请人
发明人
分类号
B21D43/00;B21D43/05;B21D43/24;B30B15/30;(IPC1-7):B21D43/24
主分类号
B21D43/00
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