STL/IEC: 265 - 1 - 1983; Guide to the interpretation of IEC publication 265 High voltage switches Part 1- high-voltage switches for rated voltages above 1kV and less than 52kV
STL/IEC: 265 - 1 - 1983; Guide to the interpretation of IEC publication 265 High voltage switches Part 1- high-voltage switches for rated voltages above 1kV and less than 52kV
- Rugby STL 1987
- 11+A1 - B2+amendmens
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