发明名称 PROTECTIVE RELAY APPARATUS
摘要 PURPOSE:By setting the whole time surveying circuit to the object for automatic inspection, and by discovering the wrong operation such as miss operation or the lack of display of the whole time surveying circuit in automatic inspection, the improvement of relaibility is planned.
申请公布号 JPS5241851(A) 申请公布日期 1977.03.31
申请号 JP19750116361 申请日期 1975.09.29
申请人 TOKYO SHIBAURA ELECTRIC CO 发明人 MATSUSHIMA TETSUO
分类号 H02H3/05;G01R31/02 主分类号 H02H3/05
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