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经营范围
发明名称
Photoelectric tube
摘要
申请公布号
US2031864(A)
申请公布日期
1936.02.25
申请号
US19310576836
申请日期
1931.11.23
申请人
THE N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
TEVES MARTEN CORNELIS;EMBDEN HENDRIK JOHANNES MEERKAMP VAN
分类号
H01J40/16
主分类号
H01J40/16
代理机构
代理人
主权项
地址
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