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经营范围
发明名称
Electric melting furnace
摘要
申请公布号
US2485851(A)
申请公布日期
1949.10.25
申请号
US19470731236
申请日期
1947.02.27
申请人
GLASS FIBERS, INC.
发明人
STEVENS CHARLES R.
分类号
C03B5/02;C03B5/20;C03B5/225;C03B37/085;C03B37/09
主分类号
C03B5/02
代理机构
代理人
主权项
地址
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