Home / Standards / GB/T 20186.2-2008 GB/T 20186.2-2008 Abolished Secondary coating materials used for optical fiber - Part 2：Modified propylene resin 光纤用二次被覆材料 第2部分：改性聚丙烯 Standard Type GBT ICS 33.180.10 CCS M33 Status 废止 Issue Date 2008-07-28 Implementation 2009-02-01 Responsible Dept 工业和信息化部（通信） Drafting Unit N/A