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发明名称
摘要
申请公布号
JP3770427(B2)
申请公布日期
2006.04.26
申请号
JP19970054615
申请日期
1997.03.10
申请人
发明人
分类号
B21D43/00;B21D43/05;B30B13/00
主分类号
B21D43/00
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代理人
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地址
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