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经营范围
发明名称
Scellement, notamment pour lampes à mcandescence et tubes à décharges
摘要
申请公布号
FR871109(A)
申请公布日期
1942.04.09
申请号
FRD871109
申请日期
1941.03.27
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H01J5/32
主分类号
H01J5/32
代理机构
代理人
主权项
地址
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