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发明名称
AN ELECTRIC INCANDESCENT LAMP
摘要
申请公布号
GB1236168(A)
申请公布日期
1971.06.23
申请号
GB19690059034
申请日期
1969.12.03
申请人
BENGT ERLING BECKMAN
发明人
BENGT ERLING BECKMAN
分类号
H01J5/56;H01K1/46
主分类号
H01J5/56
代理机构
代理人
主权项
地址
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