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IEC 62086-1 Ed. 1.0 b:2001, Electrical apparatus for explosive gas atmospheres - Electrical resistance trace heating - Part 1: General and testing requirements: IEC TC/SC 31: Amazon.com: Books
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IEC 61558-2-3 Ed. 1.0 b:1999, Safety of power transformers, power supply units and similar devices - Part 2-3: Particular requirements for ignition transformers for gas and oil burners: IEC TC/SC 96: Amazon.com: Books
IEC 60730-2-17 Ed. 1.1 b:2001, Automatic electrical controls for household and similar use - Part 2-17: Particular requirements for electrically operated gas valves, including mechanical requirements: IEC TC/SC 72: Amazon.com: Books
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