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发明名称
Parametric device
摘要
申请公布号
US3275839(A)
申请公布日期
1966.09.27
申请号
US19620210360
申请日期
1962.07.17
申请人
SPERRY RAND CORPORATION
发明人
BARTIK WILLIAM J.
分类号
H03F7/02;H03K3/47
主分类号
H03F7/02
代理机构
代理人
主权项
地址
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