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经营范围
发明名称
Glass tube heating apparatus
摘要
申请公布号
US2427722(A)
申请公布日期
1947.09.23
申请号
US19450577229
申请日期
1945.02.10
申请人
GENERAL ELECTRIC COMPANY
发明人
GREINER ALFRED
分类号
C03B23/043;C03B33/085
主分类号
C03B23/043
代理机构
代理人
主权项
地址
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