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经营范围
发明名称
PRODUCTION OF STEEL
摘要
申请公布号
JPH02197513(A)
申请公布日期
1990.08.06
申请号
JP19890018193
申请日期
1989.01.27
申请人
SUMITOMO METAL IND LTD
发明人
MATSUO TORU;FUKAGAWA MAKOTO
分类号
C21C5/35;C21C1/02;C21C5/36
主分类号
C21C5/35
代理机构
代理人
主权项
地址
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