NF C27-601*NF EN IEC 60376:2018 Specification of technical grade sulfur hexafluoride (SF6) and complementary gases to be used in its mixtures for use in electrical equipment
2018NF C27-601*NF EN IEC 60376:2018 Specification of technical grade sulfur hexafluoride (SF6) and complementary gases to be used in its mixtures for use in electrical equipment