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经营范围
发明名称
ELECTROSLAG MELTING METHOD
摘要
申请公布号
JPS5591948(A)
申请公布日期
1980.07.11
申请号
JP19780161552
申请日期
1978.12.28
申请人
SUMITOMO METAL IND
发明人
MATSUO TOORU;ICHIHASHI HIROYUKI
分类号
C22B9/18;B22D23/10;B22D27/02
主分类号
C22B9/18
代理机构
代理人
主权项
地址
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