IS: 1885 (Part 60) - 1993/IEC 50 (426) - 1990; Electrotechnical vocabulary Part 60 electrical apparatus for explosive atmospheres

IS: 1885 (Part 60) - 1993/IEC 50 (426) - 1990; Electrotechnical vocabulary Part 60 electrical apparatus for explosive atmospheres - New Delhi BIS 1993 - 7p

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