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发明名称
摘要
申请公布号
JP3199520(B2)
申请公布日期
2001.08.20
申请号
JP19930152931
申请日期
1993.05.31
申请人
发明人
分类号
B21D5/01;B21D5/14;(IPC1-7):B21D5/14
主分类号
B21D5/01
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