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经营范围
发明名称
Electric rectifier
摘要
申请公布号
US1991936(A)
申请公布日期
1935.02.19
申请号
US19340713767
申请日期
1934.03.02
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
MULDER JOHANNES GIJSBERTUS WILHELM
分类号
H01J17/04;H01J17/30;H02M7/15
主分类号
H01J17/04
代理机构
代理人
主权项
地址
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