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发明名称
摘要
<p>PURPOSE:A supervisory device of protective earthing to inspect the earthed condition of earth wire and to make it possible to inspect easily for such an electric apparatus as an electric medical instrument.</p>
申请公布号
JPS5833771(B2)
申请公布日期
1983.07.22
申请号
JP19750086381
申请日期
1975.07.15
申请人
OLYMPUS OPTICAL CO
发明人
HAGIWARA TOSHIHIKO
分类号
H02H11/00;H02H3/14;H02H5/10;H02H7/00
主分类号
H02H11/00
代理机构
代理人
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