,symbol "X",X, <atmosfery wybuchowe> m,símbolo "X", <atmosferas explosivas>,X,符号“X”, dictionary, definition, meaning, translation, term, terminology, IEC 60050, Electropedia, IEV 426-04-32,IEV, International, Electrotechnical, Vocabulary, VEI, Vocabulaire, Electrotechnique, Internationale, IEC, electric, electronic" /> ,symbol "X",X, <atmosfery wybuchowe> m,símbolo "X", <atmosferas explosivas>,X,符号“X”" >