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经营范围
发明名称
Improvements in or relating to electrically heated glass furnaces
摘要
申请公布号
GB735222(A)
申请公布日期
1955.08.17
申请号
GB19510029813
申请日期
1951.12.20
申请人
DOUGLAS GRAEME HANN
发明人
分类号
C03B5/027;C03B7/098
主分类号
C03B5/027
代理机构
代理人
主权项
地址
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