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经营范围
发明名称
Sectional hot top
摘要
申请公布号
GB886149(A)
申请公布日期
1962.01.03
申请号
GB19600033178
申请日期
1960.09.27
申请人
UNITED STATES STEEL CORPORATION
发明人
分类号
B22D7/10
主分类号
B22D7/10
代理机构
代理人
主权项
地址
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