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发明名称
Cryoelectric switching trees
摘要
申请公布号
US3230391(A)
申请公布日期
1966.01.18
申请号
US19620243427
申请日期
1962.12.10
申请人
RADIO CORPORATION OF AMERICA
发明人
AHRONS RICHARD W.
分类号
H03M7/00
主分类号
H03M7/00
代理机构
代理人
主权项
地址
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