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经营范围
发明名称
ELECTRIC LAMP BULBS
摘要
申请公布号
IE13418(L)
申请公布日期
1935.03.15
申请号
IED13418
申请日期
1933.11.10
申请人
BERTRAM B. FENN LIMITED
发明人
分类号
H01K1/28;(IPC1-7):H01K1/28
主分类号
H01K1/28
代理机构
代理人
主权项
地址
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