JB-T 3958.2-1999 电气绝缘用热固性模塑料 试验方法

K15JB/T3958.219991999-08-062000-01-01()IJB/T3958.21999()111999-08-06JB/T3958.21999JB396119852000-01-01JB/T3958.219992JB/T3958.219993JB/T3958.219994JB/T3958.219995JB/T3958.219996JB/T3958.219997JB/T3958.219998AJB/T3958.219999JB/T3958.21999JB/T3958.21999*2100044*88012301/16X/XXXX,XXX19XXXXX19XXXXX1XXXXXX.XXXXXXX