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Operating conditions for industrial-process measurement and control equipment - Corrosive and erosive influences. Original standard BS EN 60654-4-1998 in PDF full version. Additional info + preview on request

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Insulators. Tests on indoor post insulators of organic material for systems with nominal voltages greater than 1 kV up to but not including 300 kV. Original standard BS EN 60660-2000 in PDF full version. Additional info + preview on request

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Methods for measuring the performance of electric household coffee makers. Original standard BS EN 60661-2014 in PDF full version. Additional info + preview on request

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High-pressure sodium vapour lamps. Performance specifications. Original standard BS EN 60662-2012 + A11-2019 in PDF full version. Additional info + preview on request

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Insulation coordination for equipment within low-voltage systems - Use of coating, potting or moulding for protection against pollution. Original standard BS EN 60664-3-2017 in PDF full version. Additional info + preview on request

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Insulation coordination for equipment within low-voltage systems - Consideration of high-frequency voltage stress. Original standard BS EN 60664-4-2006 (2007) in PDF full version. Additional info + preview on request

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