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发明名称
摘要
申请公布号
JPS59140036(U)
申请公布日期
1984.09.19
申请号
JP19830032339U
申请日期
1983.03.08
申请人
发明人
分类号
B21D43/04;B21D43/18;(IPC1-7):B21D43/04
主分类号
B21D43/04
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