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发明名称
摘要
申请公布号
JPH0813381(B2)
申请公布日期
1996.02.14
申请号
JP19930213440
申请日期
1993.08.04
申请人
发明人
分类号
B21D5/04;(IPC1-7):B21D5/04
主分类号
B21D5/04
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代理人
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