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经营范围
发明名称
High pressure positive column electric arc lamp
摘要
申请公布号
GB488471(A)
申请公布日期
1938.07.07
申请号
GB19370033334
申请日期
1937.12.02
申请人
VEREINIGTE GLUEHLAMPEN UND ELEKTRIZITAETS AKTIENGESELLSCHAFT
发明人
分类号
H01J61/12
主分类号
H01J61/12
代理机构
代理人
主权项
地址
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