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经营范围
发明名称
Elektrische Glühlampe.
摘要
申请公布号
CH207930(A)
申请公布日期
1939.12.15
申请号
CHD207930
申请日期
1938.09.15
申请人
WEINBERG,BERTHOLD,DR.
发明人
WEINBERG,BERTHOLD,DR.
分类号
H01K1/50
主分类号
H01K1/50
代理机构
代理人
主权项
地址
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