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发明名称
摘要
申请公布号
JP2529485(B2)
申请公布日期
1996.08.28
申请号
JP19910140468
申请日期
1991.06.12
申请人
发明人
分类号
B21B1/46;B22D11/00;B22D11/12;B22D11/128;C21D8/02;C22C38/00;C22C38/14;(IPC1-7):C21D8/02
主分类号
B21B1/46
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代理人
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地址
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