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经营范围
发明名称
HEAT TREATMENT OF HIGH TEMPERATURE STEELS
摘要
申请公布号
GB9014419(D0)
申请公布日期
1990.08.22
申请号
GB19900014419
申请日期
1990.06.28
申请人
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.
发明人
分类号
C23C8/18
主分类号
C23C8/18
代理机构
代理人
主权项
地址
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