1、 , () INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION (ISC) IEC 60079-31 2013 31 t (prIEC 60079-31, IDT) IEC 60079-312013 II , 1.092 . 1.22009 . , . , , , 1 - ( -) , 5 2 () ( 403) 3 , ( 5 2013 . 61-) : ( 3166) 00497 ( 3166) 00497 AM BY MD - RU TJ UA 4 22 2013 . 1726- IEC 60079-31
2、2013 1 2015 . 5 IEC 60079-31 Explosive atmospheres Part 31: Equipment dust ignition protection by enclosure t ( 31: t) - (IDT) . 6 IEC 60079-312013 III , . () . , , 2014 , IEC 60079-312013 IV IEC 60079-31, 94/9 ; . , . . IEC 60079-312013 1 31 t Explosive atmospheres. Part 31. Equipment dust ignition
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