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经营范围
发明名称
Incandescent body for electrical incandescent lamps, vacuum tubes, and the like
摘要
申请公布号
GB350204(A)
申请公布日期
1931.06.11
申请号
GB19300015553
申请日期
1930.05.20
申请人
SIEMENS & HALSKE AKTIEN - GESELLSCHAFT
发明人
分类号
H01J1/14
主分类号
H01J1/14
代理机构
代理人
主权项
地址
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