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发明名称
Electric furnace method
摘要
申请公布号
US1763248(A)
申请公布日期
1930.06.10
申请号
US19290354603
申请日期
1929.04.12
申请人
PITTSBURGH RESEARCH CORPORATION
发明人
MOORE WILLIAM E.
分类号
C21C5/52;C21C7/00
主分类号
C21C5/52
代理机构
代理人
主权项
地址
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