Home / Standards / GB7228-87 GB7228-87 Method for calculating rectification efficiency of electrolytic rectification equipment and electric energy utilization rate of its power supply objects 电解整流设备的整流效率及其供电对象的电能利用率测算方法 Standard Type GB ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A