12 na mba ọkọlọtọ GB / T9043-2008 / Communication Equipment N'ime-voltaji Protection na General ụzụ Ọnọdụ na Gas Ihapu tube, wdg Gas Ihapu tube bụ RoHS Dabara, nwekwara e gbaara site German TüV, American Mankeumman na SGS.
