Specification for porcelain insulators for overhead power lines : 3.3 kV and above

Specification for porcelain insulators for overhead power lines : 3.3 kV and above - - New Delhi BIS 1963 - 27 p. - ISI : S ; 731 : 1963 .





Porcelain inslators,Overhead power lines

BISI : S ; 731 : 1963

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