IEC网站近期发布的标准 No.22/2003-11

IEC标准编号和名称IEC 60034-14 Ed.3.0(2003-11)Rotating electrical machines—Part 14:Mechanical Vibration ofcertain machines with shaft heights 56 mm and higher——Measurement,evaluation and limits of Vibration severityICS code:29.160.01 TC 2 29 pages旋转电机

IEC网站近期发布的标准 No.22/2003-12

IEC标准编号和名称IEC 60245-4 Amd.2 Ed.2.0(2003-12)Amendment 2——Rubber insulated cables——Rated voltages up to andincluding 450/750 V—Part 4:Cords and flexible cablesICS codes:29.060.20 TC 20 11 pages第2次修改:额定电压450/750V及以下橡皮绝缘电缆 第4部分:软线和软电缆 第2.

IEC网站近期发布的标准No.21/2003-11

IEC标准编号和名称IEC 60079-1 Ed.5.0 (2003-11)Electrical apparatus for explosive gas atmospheres—Part 1:Flameproof enclosures “d”ICS code:29.260.20 SC 31A 135 pages爆炸性气体环境用电气设备 第1部分:隔爆型“d”。