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发明名称
Tuning indicator
摘要
申请公布号
US2072189(A)
申请公布日期
1937.03.02
申请号
US19350055160
申请日期
1935.12.19
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
VOLLENBRO JOHANNES BERNARDUS LAMBERTUS;HOROWITZ ALEXANDRE
分类号
H03J1/02
主分类号
H03J1/02
代理机构
代理人
主权项
地址
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