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发明名称
摘要
申请公布号
JPH0718440(Y2)
申请公布日期
1995.05.01
申请号
JP19900116628U
申请日期
1990.11.05
申请人
发明人
分类号
B21D43/14;B21D43/13;(IPC1-7):B21D43/13
主分类号
B21D43/14
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