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发明名称
摘要
申请公布号
JPH0627222(Y2)
申请公布日期
1994.07.27
申请号
JP19890029109U
申请日期
1989.03.16
申请人
发明人
分类号
B21D1/05;(IPC1-7):B21D1/05
主分类号
B21D1/05
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