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发明名称
PHOTO-FEEDBACK PREAMPLIFIER
摘要
申请公布号
HK49989(A)
申请公布日期
1989.06.30
申请号
HK19890000499
申请日期
1989.06.22
申请人
AMPEX CORPORATION
发明人
JOHN O. RYAN
分类号
H03F1/34;H03F3/08;H04N5/14;(IPC1-7):H03F1/08
主分类号
H03F1/34
代理机构
代理人
主权项
地址
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