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发明名称
PARAMETRIC AMPLIFIER
摘要
申请公布号
US3433976(A)
申请公布日期
1969.03.18
申请号
USD3433976
申请日期
1967.12.05
申请人
NORTH AMERICAN PHILIPS CORP.
发明人
GUY N.L.J. MARECHAL
分类号
H03F3/387;H03F3/40;H03F7/04;H03F11/00;(IPC1-7):H03F7/02
主分类号
H03F3/387
代理机构
代理人
主权项
地址
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