Specification for porcelain insulators for overhead power lines with a nominal voltage greater than 1000 V

Specification for porcelain insulators for overhead power lines with a nominal voltage greater than 1000 V - - New Delhi BIS 1971 - 29 p. - ISI 731 : 1971 .





Porcelain insulators, Overhead power lines

BISI 731 : 1971

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