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发明名称
Sequence relay
摘要
申请公布号
US2622164(A)
申请公布日期
1952.12.16
申请号
US19500168811
申请日期
1950.06.17
申请人
JOHN B. PIERCE FOUNDATION
发明人
CATALDO JOHN B.
分类号
H01H51/08
主分类号
H01H51/08
代理机构
代理人
主权项
地址
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