IECEx Test Report for IEC TS 60079-42:2019 edition 1.0, Explosive atmospheres - Part 42: Electrical safety devices for the control of potential ignition sources for Ex-Equipment
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英文名称IECEx Test Report for IEC TS 60079-42:2019 edition 1.0, Explosive atmospheres - Part 42: Electrical safety devices for the control of potential ignition sources for Ex-Equipment