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发明名称
Open circuit disconnector and announcer
摘要
申请公布号
US3331921(A)
申请公布日期
1967.07.18
申请号
US19630318672
申请日期
1963.10.24
申请人
PIONEER ELECTRIC AND RESEARCH CORPORATION
发明人
NEISWINTER JAMES T.;PEDERSON CARL N.
分类号
H04L25/20
主分类号
H04L25/20
代理机构
代理人
主权项
地址
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