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经营范围
发明名称
ADDING METHOD FOR BARIUM TO MOLTEN STEEL
摘要
申请公布号
JPS5713116(A)
申请公布日期
1982.01.23
申请号
JP19800088432
申请日期
1980.06.27
申请人
SUMITOMO METAL IND
发明人
YAMAMOTO KAZUHIRO;URA SATORU;HITOMI YASUO
分类号
C21C7/04
主分类号
C21C7/04
代理机构
代理人
主权项
地址
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