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发明名称
MAGNETIC FILM AMPLIFIER
摘要
申请公布号
US3491308(A)
申请公布日期
1970.01.20
申请号
USD3491308
申请日期
1967.02.17
申请人
SINGER GENERAL PRECISION INC.
发明人
RALPH J. KOERNER;ANTHONY J. KOLK JR.;RICHARD H. FULLER
分类号
H03F9/00;(IPC1-7):H03F9/00
主分类号
H03F9/00
代理机构
代理人
主权项
地址
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