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发明名称
Ultrasonic amplifier
摘要
申请公布号
US3196384(A)
申请公布日期
1965.07.20
申请号
US19620176011
申请日期
1962.02.27
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
DUMKE WILLIAM P.;HAERING RUDOLPH R.
分类号
H03F13/00
主分类号
H03F13/00
代理机构
代理人
主权项
地址
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