Home / Standards / GB/T 4942.1-2006 GB/T 4942.1-2006 Abolished Degrees of protection provided by the integral design of rotating electrical machines (IP code) - Classification 旋转电机整体结构的防护等级（IP代码）-分级 Standard Type GBT ICS 29.160.01 CCS K20 Status 废止 Issue Date 2006-03-06 Implementation 2006-08-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A