Home / Standards / GB/T 23264-2009 GB/T 23264-2009 Abolished Brake lining assembly for electric power assist bicycles 电动自行车用制动衬片总成 Standard Type GBT ICS 43.040.40 CCS Q69 Status 废止 Issue Date 2009-03-09 Implementation 2009-11-05 Responsible Dept 中国建筑材料联合会 Drafting Unit 中国建筑材料联合会