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发明名称
Electric incandescent lamp
摘要
申请公布号
US1863423(A)
申请公布日期
1932.06.14
申请号
US19300418616
申请日期
1930.01.04
申请人
HENDRIK FEKKES
发明人
ECK JACOB VAN;FEKKES FEKKO
分类号
H01J5/32;H01K1/26;H01K1/58
主分类号
H01J5/32
代理机构
代理人
主权项
地址
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