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发明名称
摘要
申请公布号
JPH0341868(Y2)
申请公布日期
1991.09.03
申请号
JP19860100174U
申请日期
1986.06.30
申请人
发明人
分类号
B21D43/02;B21D43/13;(IPC1-7):B21D43/13
主分类号
B21D43/02
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