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发明名称
摘要
申请公布号
JP4366755(B2)
申请公布日期
2009.11.18
申请号
JP19990140526
申请日期
1999.05.20
申请人
发明人
分类号
B21D9/07;B21D7/025
主分类号
B21D9/07
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代理人
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