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发明名称
摘要
申请公布号
JP3298688(B2)
申请公布日期
2002.07.02
申请号
JP19930021504
申请日期
1993.02.09
申请人
发明人
分类号
B21C1/00;C21D8/06;C21D9/52;C22C38/00;C22C38/18;(IPC1-7):C21D8/06
主分类号
B21C1/00
代理机构
代理人
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地址
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