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发明名称
METHOD AND APPARATUS FOR CONTROLLING MOLTEN METAL SURFACE LEVEL
摘要
申请公布号
JPH03216252(A)
申请公布日期
1991.09.24
申请号
JP19900007876
申请日期
1990.01.17
申请人
SUMITOMO METAL IND LTD
发明人
SOMA MASAYUKI
分类号
B22D11/18
主分类号
B22D11/18
代理机构
代理人
主权项
地址
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