The Journal of the Institute of Electrical Installation Engineers of Japan
Online ISSN : 2188-6946
Print ISSN : 0910-0350
ISSN-L : 0910-0350
The Characteristics and Purposes of Over-current and Earth Fault Relay, and Technology Trend of These Relays
[in Japanese]
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2014 Volume 34 Issue 7 Pages 423-426

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© 2014 The Institute of Electrical Installation Engineers of Japan
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