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经营范围
发明名称
Frequency demodulator
摘要
申请公布号
US2904675(A)
申请公布日期
1959.09.15
申请号
US19540463508
申请日期
1954.10.20
申请人
NORTH AMERICAN PHILIPS COMPANY, INC.
发明人
JANSSEN PETER JOHANNES HUBERTUS;SMEULERS WOUTER
分类号
H03D3/08
主分类号
H03D3/08
代理机构
代理人
主权项
地址
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