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发明名称
Impedance relay tester
摘要
申请公布号
US2860303(A)
申请公布日期
1958.11.11
申请号
US19550535047
申请日期
1955.09.19
申请人
TENNESSEE VALLEY AUTHORITY
发明人
SHIPLEY RANDALL BRUCE
分类号
G01R31/327;H02H3/04
主分类号
G01R31/327
代理机构
代理人
主权项
地址
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