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发明名称
摘要
申请公布号
JP2996709(B2)
申请公布日期
2000.01.11
申请号
JP19900264740
申请日期
1990.10.02
申请人
发明人
分类号
B22D21/04;B22D18/02;B22D27/04;C22C21/00;C22F1/00;C22F1/04;C22F1/16;(IPC1-7):B22D21/04
主分类号
B22D21/04
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代理人
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地址
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