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发明名称
摘要
申请公布号
JP3329741(B2)
申请公布日期
2002.09.30
申请号
JP19980223852
申请日期
1998.08.07
申请人
发明人
分类号
B21C47/18;B21C47/02;B32B15/08;(IPC1-7):B21C47/18
主分类号
B21C47/18
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代理人
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