General requirements for switchgear and controlgear for voltages not exceeding 1000 V ac or 1200 V dc

General requirements for switchgear and controlgear for voltages not exceeding 1000 V ac or 1200 V dc - - New Delhi BIS 1983 - 35 p. - ISI 4237 : 1982 .







BISI 4237 : 1982

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