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发明名称
摘要
申请公布号
JP3981990(B2)
申请公布日期
2007.09.26
申请号
JP19960263823
申请日期
1996.09.13
申请人
发明人
分类号
B21D39/20;B21D51/26
主分类号
B21D39/20
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代理人
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地址
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