Is:09677 - 1980; Guide For Limits Of Temperature-Rise Of The Windings Of Electrical Equipment When T
Indian Standards Institution
Is:09677 - 1980; Guide For Limits Of Temperature-Rise Of The Windings Of Electrical Equipment When T - BIS 1981
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Is:09677 - 1980; Guide For Limits Of Temperature-Rise Of The Windings Of Electrical Equipment When T - BIS 1981
/