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发明名称
PRODUCTION OF CAST INGOT OF HIGH-PURITY COPPER SINGLE CRYSTAL
摘要
申请公布号
JPH0578195(A)
申请公布日期
1993.03.30
申请号
JP19910268192
申请日期
1991.09.19
申请人
DOWA MINING CO LTD
发明人
SUGIURA TORU
分类号
B22D7/00;B22D21/00;B22D23/00;B22D23/06;B22D27/04;C30B11/00;C30B29/02
主分类号
B22D7/00
代理机构
代理人
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地址
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