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发明名称
Improvements in electric incandescent lamps
摘要
申请公布号
GB488202(A)
申请公布日期
1938.07.01
申请号
GB19370000082
申请日期
1937.01.01
申请人
EGBERTUS MARTINUS NICOLAAS KORVING
发明人
分类号
H01K1/46
主分类号
H01K1/46
代理机构
代理人
主权项
地址
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