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发明名称
METHOD AND SYSTEM FOR CHECKING OF RELAY OPERATION CORRECTNESS
摘要
申请公布号
PL114910(B1)
申请公布日期
1981.03.31
申请号
PL19770202811
申请日期
1977.12.08
申请人
发明人
分类号
G01R31/00;H01H;H01H47/00;(IPC1-7):H01H47/00
主分类号
G01R31/00
代理机构
代理人
主权项
地址
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