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经营范围
发明名称
DIRECT IRON AND STEELMAKING PROCESS
摘要
申请公布号
US3503736(A)
申请公布日期
1970.03.31
申请号
USD3503736
申请日期
1964.09.23
申请人
WILLIAM LYON SHERWOOD
发明人
WILLIAM LYON SHERWOOD
分类号
C21B13/08;(IPC1-7):C21B13/08;C21B13/00;C21B13/14
主分类号
C21B13/08
代理机构
代理人
主权项
地址
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